Actually the correct answer is D. tendrá. Because A would be if you were talking about yourself. B would be if you were taking about a group including yourself, and C would be right if you were talking about a group not including yourself.
Answer: eres(ser) or estàs(estar)
Explanation:
5 Key Characteristics
1) Figures of Speech
2) DESCRIPTIVE imagery
3) Punctuation and Format
4) Sound/Tone/Mood
5) Choice of Meter
Nos devoirs sont les meilleurs