---Where___?

—I got caught in the heavy traffic, or I ___ here earlier.                                        

A．did you go; had arrived

B．are you; was

C．were you; would come

D．have you been ; would have been

艾滋病的传播途径不包括（）

A、握手传播

B、性传播

C、血液传播

D、母婴传播