Sarah sets aside time every night to read some pages in her history book. She schedules a break into her study time. Why is this not an effective study plan?

Question

A. Her scheduled break is not long enough.

B. The task is not concrete or specific enough.

C. The task is not realistic for the time she has set aside.

D. The task is irrelevant to her priorities.
I think its D

Answer 1

I don't think there's enough information to say it's D.

Which answer refers to the vague nature of this "plan"?