听力原文:W: Was that the assignment given by Professor Brown? I don't think you have much
M: No, but I didn't realize it would take me most of the day.
Q: What does the man mean?
(18)
A.He hasn't the time to do the experiment.
B.The experiment turned out well.
C.The experiment took him a lot of time.
D.He did only part of the experiment that day.