I think it is A
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It uses a metaphor because it gives the mosquitos a human feature and makes them seem similar
The coordinating conjunction in the sentence is NOR.
There are only seven coordinating conjunctions. Remember the terms FAN BOYS in relation to coordinating conjunctions.
F - for
A - and
N - nor
B - but
O - or
Y - yet
S - so
Coordinating conjunctions connect words, phrases, and clauses. Giving equal emphasis on two main clauses.
Here are the patterns for using coordinating conjunctions:
1) connecting two main clauses
main clause + coordinating conjunction + main clause
2) connecting two items
item + coordinating conjunction + item
3) connecting three or more items in a series
item + item + coordinating conjunction + item
They can learn the character personality, and how they react in certain situations.