已知△ABC∽△DEF，且AB：DE = 1：2，则△ABC的周长与△DEF的周长之比为[ ]

A.2：1

B.1：2

C.1：4

D.4：1

The number of the people who __________ cars __________ increasing.[ ]

A. own, are

B. own, is

C. owns, is

D. owns