Answer:
The correct answer to this question is:
C. HARÁ
Step-by-step explanation:
HACER means in this sentence: be. But in this case the sentence suggest to use the future tense of HACER that is: HARÁ
with this information we know that the answers B and D are wrong.
And the only answer for this blank space is:
C. HARÁ because is in the right tense that it is future