---My hobby is old coins what about you?---In my free time I likein the park.A. collecte

问题补充：

---My hobby is old coins, what about you?

---In my free time, I likein the park.

A. collected; painting

B. collects; to paint

C. collecting; to paint

D. collect; painting

答案：

A. collected; painting

B. collects; to paint

(答案→)C. collecting; to paint

D. collect; painting

解析：

试题分析: 句意：我的爱好是收集旧币，你呢？我在空闲时间，我喜欢去公园画画。my hobby主语，is 是，动名词或不定式做表语，故选C。