Examine the sentence, and choose the correct option:

The questions is hard to do. We answer the questions without any certainty this time.

A. The questions are hard to do. We are answering the questions without any certainty this time.

B. The questions are hard to do. We answer the questions without any certainty this time.

C. The questions is hard to do. We are answering the questions without any certainty this time.

D. The questions is being hard to do. We answer the questions without any certainty this time.

E. The sentence is correct. No need to be fixed.