柱下独立桩基承台的构造，除按计算和满足上部结构需要外，其宽度不宜小于（）mm。
A.300
B.500
C.600
D.800
参考答案：B
— Honey, this is a present for your birthday.
— Ah! A pair of shoes, a well-known brand — Nike! I think it must ______ comfortably.
A．be worn
B．be wearing
C．have worn
D．wear
