The young man are walking the park.A. acrossB. crossC. throughD. though

问题补充：

The young man are walking the park.

A. across

B. cross

C. through

D. though

答案：

A. across

B. cross

(答案→)C. through

D. though

解析：穿过某个空间或某个物体里面，用介词through，across 表示从物体表面的穿过。故选C