The students are eager to know what the weather will be like tomorrow because it will ________ their picnic directly.

A．To find out who is more intelligent, man or animals.
B．To find out which animal is more intelligent than man.
C．To find out which animal is the most intelligent.
D．To find out the IQs of different animals.

A．his teaching ability
B．his humorous stories
C．the grades that they were earning
D．his marvelous remarks