— I wonder_____________. — Zebras.

A．what do they call these animals

B．how they call these animals

C．what they call these animals

D．how do they call these animals

在信用证业务中，银行的责任是_______。 ( )

A．只看单据，不管货物
B．既看单据，又看货物
C．只看货物，不看单据
D．审核单据与货物是否相符