A.I often make a snowman in winter.

B.I often go on a picnic in spring.

C.I often go swimming in summer.

【答案】A

【解析】

表达某个季节常做的事情。A. Ioftenmakeasnowmaninwinter.我经常在冬天堆雪人。B. Ioftengoonapicnicinspring.我经常春天去野餐。C. I often go swimming in summer.我经常夏天去游泳。可知BC不符合语境，故选A。