心肺复苏用药时的首选药物是( )

A．心三联(肾上腺素、去甲肾上腺素和异丙肾上腺素)

B．肾上腺素

C．异丙肾上腺素

D．去甲肾上腺素

E．利多卡因

Steven has a lot of work to ______ in the office since he has been away for quite a few days.

A．take up

B．make up

C．work out

D．carry out