A)He believes the Browns have done a sensible thing.
B)He doesn't think the Browns should move to another place.
C)He doesn't think the Browns' investment is a wise move.
D)He believes it is better for the Browns to invest later.
原文：
W: You know, the Browns have invested all their money in stocks.
M: They may think that's a wise move, but that's the last thing I'd do.
Q: What's the man's opinion about the Browns' investment?