It's extremely dangerous for the drivers to _____ speed as the traffic lights are changing. [ ]

A. pull up

B. put up

C. rise up

D. pick up

人们在购物时追求“物美价廉”。这种消费行为属于（）引发的消费。

A.从众心理

B.求异心理

C.求实心理

D.攀比心理