The answer would be letter D. The active voice states the doer of the action, the action and the receiver of the action.
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Answer:
for gametes formation ghjjhljj hkkk
Separate
The sentence uses the word distinctive in the context "three distinct ways". Then the excerpt lists the three ways the 10K is special. Seeing that each of those ways are separate and different it is clear that "distinct" means "separate" in this context.
The underlined word is not given. However, in this sentence the verb is active. The correct answer is A.
