A simile is a metaphor that straightforwardly analyzes two things. This is a type of illustration that unequivocally utilize interfacing words, (for example, like, as, so, than,), however these particular words are not generally necessary. So in here, the answer is A, since it does not compare two things and there is no words like like, as, so, or than.
Very Old
Hope this helps you out
The answer to whether or not you can use two negative words is true i believe.