— I saw you come to school by bus this morning.

— Oh, I             come to school by bus, but it is raining today. [ ]

A．hardly

B．always

C．sometimes

D．usually

宋代制瓷业发达，出现了五大名窑，它们主要为政府及皇室服务，其中四座分布在北方，这反映出

①官营手工业在宋代仍占主导地位 ②政治中心对官营手工业的影响较大 ③北方制瓷业水平比南方高 ④南方私营手工业发展较为迅速

A．①②③④

B．①②

C．②③④

D．①③④