【答案】D
【解析】repel“抗御，抵拒”：This coating repels moisture．这层涂料能防潮。delete“删除”：delete the second paragraph删去第二段。compel“强迫”：compel sb．to do sth．强迫某人做某事。constrain“迫使”：He was constrained to agree．他*同意。这三项都不能用于本题。