听力原文:W: If the weather is this hot tomorrow we may as well give up the idea of playing
M: Oh, I don't think it will last long. The weather forecast says it will cloud over by mid-afternoon.
Q: What does the man mean?
(19)
A.They shouldn't change their plan.
B.They'd better change their mind.
C.The tennis game won't last long.
D.Weather forecasts are not reliable.