The gate was closed to stop the children running into the road.

The gate was closed to stop the children running into the road.
A. The gate was closed so the children running into the road.
B. The gate is closed so that children don’t run into the road.
C. The gate was closed so that the children couldn’t run into the road.
D. The gate is closed that the children couldn’t to run into the road.

Đáp án C

Cấu trúc so that: chỉ mục đích Cái cổng đã bị đóng lại để cho lũ trẻ không thế ra ngoài đường