[A] see [C] saw
[B] seeing [D] seen

A．we must control our emotions in daily life
B．emotions play a more important part than we realize
C．positive emotions such as love and joy are good for us
D．negative emotions such as hate and sadness prevent us from rational thinking

A．The author thinks that ______.
B．emotions are rational
C．emotions help us
D．emotions interfere with rational thought
E．emotions get us into trouble