All the ingredients are in the bowl. Please mix .A. it upB. up itC. up themD. them up

问题补充：

All the ingredients are in the bowl. Please mix .

A. it up

B. up it

C. up them

D. them up

答案：

A. it up

B. up it

C. up them

(答案→)D. them up

解析：根据前文的内容可知用代词them ，而根据动词+adv构成的词组后接宾语为代词位于其中，故选D