参考答案

正确答案：C
解析：break away from意为“脱离，摆脱”，符合题意，如：The prisoner broke away from his guards．囚犯挣脱了看守。get off意为“出发，离开”，如：We got off after breakfast．我们早餐后出发。pull down意为“拆毁，拖垮”，如：Half the houses in the street are being pulled down to make room for the new post office．为建新邮局，街上一半的