Answer:
C. Skillfully
Explanation:
adept means to be skilled or proficient at something so you can infer that adeptly means to be skilled at something
B. Opinion
def: a view or judgement not necessarily based on fact or knowledge
Answer: lay
Explanation: A subject is a part of a sentence that contains the person or thing performing the action (or verb) in a sentence. So “lay” is the verb and the verb in a sentence is the action.
I believe it is B and C. However it might also be D. Pretty sure it's not A.