— I called you at ten, but there was no reply.

—Oh, that was probably when I ________ a shower.

A．am taking

B．took

C．were to take

D．was taking

黄金投资产品包括( )。 Ⅰ．实物黄金 Ⅱ．纸黄金 Ⅲ．黄金衍生产品 Ⅳ．黄金掉期

A．Ⅰ、Ⅱ、Ⅲ

B．Ⅰ、Ⅱ、Ⅳ

C．Ⅱ、Ⅲ、Ⅳ

D．Ⅰ、Ⅱ、Ⅲ、Ⅳ