A、He cannot do anything because he isn’t the owner of that zone. B、He has discussed this with the landowners, but in vain. C、He

M：Well, hi, Mrs. Brown. How’s your apartment working out for you?
W：Well, Mr. Nelson. That’s what I would like to talk to you about. Well, I want to talk to you about that noise! You see. Would you mind talking to the tenant in 4B and asking him to keep his music down, especially after 10:00?
M：Oh. Who? Me?
W：Why? Yes. The music is blaring almost every night, and it should be your job as a manager to take care of things.
M：Hey, I just collect the rent. Besides, the man living there is the owner’s son, and he’s a walking refrigerator. Hey, I’ll see what I can do. Anything else?
W：Well, yes. Could you talk to the owners of the property next door about the pungent odor drifting this way?
M：Well, the area is zoned for agricultural and livestock uses, so there’s nothing much I can do about that.
W：Well, what about the...? That, that noise.
M：What noise? I don’t hear anything.
W：There, there it is again.
M：What noise?
W：That noise.
M：Oh, that noise. I guess the military has resumed its exercises on the artillery range.
W：You have to be kidding. Can’t anything be done about it?
M：I’ve protested this activity, and these weekly activities should cease...within the next three to five years.
W：Hey, you never told me about these problems before I signed the rental agreement.
1. What does Mrs. Brown ask the man in Apartment 4B to do?
2. Why is the manager hesitant about carrying out the first request?
3. How does the manager respond to the second request?
4. When will the military weekly exercise cease?