For the first question is C
and the another one is confusing
Answer:
Parallel structure should be used when you connect clauses with a coordinating conjunction such as: for, and, nor, or, but, so, or yet. Some examples of this include: Correct: Every morning, we make our bed, eat breakfast and feed the dog. Incorrect: Every morning, we make our bed, eating breakfast and feed the dog.
Answer:
B. These areas are necessary for a succesful life.
<span>D. The speaker cannot believe that something terrible has happened when everyone is so happy.</span>