.He went to American some English as well as .
A. learning ,to travel
B. learning, traveling
C. to learn, travel
D. to learn ,to travel
网友回答
A. learning ,to travel
B. learning, traveling
C. to learn, travel
(答案→)D. to learn ,to travel
解析：考查非谓语动词。不定式表示目的，as well as“和”，前后两部分在形式上保持一致。故选D。