Question

----Where is Jack?
----On the playground. He _______ football with his classmates.

A．play

B．played

C．is playing

D．was playing

Answer 1

C

句意：杰克在哪儿？——在操场上，他正在操场上和他的同学们踢足球。结合语境可知本句中描述的是现在正在进行的动作，故选C。