A. Will she plays tennis?
B. Will she play tennis?
C. Does she play tennis?
D. Is she playing tennis?
Answer: Will she play tennis?
A. Will she plays tennis?
B. Will she play tennis?
C. Does she play tennis?
D. Is she playing tennis?
Answer: Will she play tennis?
Additional Information: In the simple future tense, the question form is 'Will she play tennis?'