From the letters available in each word, which of the following options can be formed? DEMONSTRATE, ADVANTAGE, ATTENTION, SECONDARY.

here are the answers to the questions from the image:

Section D

18. DEMONSTRATE
Letters available: D, E, M, O, N, S, T, R, A, T, E (E and T appear twice)

• A. mount (U is not in DEMONSTRATE)
• B. streets (DEMONSTRATE has one S, 'streets' needs two S's)
• C. monster (All letters M, O, N, S, T, E, R are present in DEMONSTRATE with sufficient counts)
• D. cluster (C, L, U are not in DEMONSTRATE)

The correct option is C.

$$\boxed{\text{C. monster}}$$

19. ADVANTAGE
Letters available: A, D, V, A, N, T, A, G, E (A appears three times)

• A. great (R is not in ADVANTAGE)
• B. vantage (All letters V, A, N, T, A, G, E are present in ADVANTAGE with sufficient counts)
• C. very (R, Y are not in ADVANTAGE)
• D. granted (R is not in ADVANTAGE)

The correct option is B.

$$\boxed{\text{B. vantage}}$$

20. ATTENTION
Letters available: A, T, T, E, N, T, I, O, N (T appears three times, N appears twice)

• A. tend (D is not in ATTENTION)
• B. attire (R is not in ATTENTION)
• C. nation (All letters N, A, T, I, O, N are present in ATTENTION with sufficient counts)
• D. sent (S is not in ATTENTION)

The correct option is C.

$$\boxed{\text{C. nation}}$$

21. SECONDARY
Letters available: S, E, C, O, N, D, A, R, Y

• A. scared (All letters S, C, A, R, E, D are present in SECONDARY with sufficient counts)
• B. dearly (L is not in SECONDARY)
• C. scanned (SECONDARY has one N, 'scanned' needs two N's)
• D. sinned (I is not in SECONDARY)

The correct option is A.

$$\boxed{\text{A. scared}}$$

22. ENTANGLE
Letters available: E, N, T, A, N, G, L, E (E and N appear twice)

• A. anger (R is not in ENTANGLE)
• B. engage (ENTANGLE has one G, 'engage' needs two G's)
• C. glean (All letters G, L, E, A, N are present in ENTANGLE with sufficient counts)
• D. need (D is not in ENTANGLE)

The correct option is C.

$$\boxed{\text{C. glean}}$$

23. ERADICATE
Letters available: E, R, A, D, I, C, A, T, E (E and A appear twice)

• A. treat (ERADICATE has one T, 'treat' needs two T's)
• B. trace (All letters T, R, A, C, E are present in ERADICATE with sufficient counts)
• C. dated (ERADICATE has one D, 'dated' needs two D's)
• D. eraser (S is not in ERADICATE)

The correct option is B.

$$\boxed{\text{B. trace}}$$