The only preposition in the options available to you is of, so the correct answer is C.
A) and B) are conjunctions.
D) is an adverb.
Answer:
I Think D Would Be The Answer
Explanation:
I think I can help. What exatly do you need help with???
Awkward to move, cumbersome is a funny word but I'm sure that's the answer, if not look on google
