What is included in the composition of bee glue (propolis)?

The question is 162: "Ба таркиби лими замбур(прополис) чи дохил мешавад?"
This translates to: "What is included in the composition of bee glue (propolis)?"

The options provided are:
A) асал (honey)
B) шири модарии замбур (royal jelly)
C) гарди гул (pollen)
D) заҳри замбур (bee venom)
E) ҳамааш дуруст (all are correct)

Propolis is a resinous substance collected by bees from plants and mixed with beeswax and bee secretions. Its main components are plant resins, waxes, essential oils, and often a small percentage of pollen. Honey, royal jelly, and bee venom are distinct bee products and are not primary or characteristic components of propolis.

Among the given choices, гарди гул (pollen) is a known component found in propolis.

The final answer is $\boxed{\text{C) гарди гул}}$