D) to change so as to better suit your surroundings
Definition
make (something) suitable for a new use or purpose; modify.
-become adjusted to new conditions
Below I have bolded the parts of speech:
Jill bought a new dress for the party.
Jill (subject) bought (verb) a new dress (indirect object) for the party (direct object).
Answer: E. subject→verb→indirect object→direct object
Hope this helps!
The answer is flagellum; flagella