People who seldom take part in sports or _____ diet is high in fat will gain weight quickly.

A．who

B．whose

C．which

D．what

龙债券的发行以亚洲货币标定面额，尽管有一些债券以加拿大元、澳元和美元标价，但多数以人民币或者日元等亚洲货币来标价。( )