病毒衣壳的生物学意义有()

A．携带遗传信息

B．保护核酸

C．吸附细胞

D．引起免疫应答

E．病毒分类依据

The house rent is expensive.I’ve got about half the space I had at home and I’m paying________here.

A．as three times much

B．as much three times

C．much as three times

D．three times as much