Question

How long...you...novels? A. Have/write B. Do/write C. Have/written D. Did/go

Answer 1

Answer: How long have you written novels

Step-by-step explanation:

How long ____ you ____ novels

It's C (Might be "b"

Conclusion: All of them don't make sense except for C

Answer 2

Answer is B.

Step-by-step explanation:

Subject verb agreement