Answer:
future perfect progressive
Explanation:
she will have been studying before the exam.
I agree with the statement because in the story, when Major Kovalyov loses his nose, the nose achieves a higher rank that him - State Councillor. Considering Kovalyov is an ambitious official, he feels ashamed due to the fact that the nose has climbed higher in rank, and for his physical appearance. Without a nose, he cannot move up in hierarchy or join in marriage favorably.
The Answer is D he wrote it to explain the crises they were living
