Because of the terrible earthquake, some people became homeless and they had to ________the tents for the night.

A．put away

B．put up

C．put off

D．put down

某被评估资产1980年购建账面价值为50万元，1989年进行评估，已知1980年与 1989年该类资产的定基物价指数分别为120%与170%，则被评估资产重置全价为( )。

A．50万元

B．70.83万元

C．35.29万元

D．85万元