单选题
We could see that he was trying to
smooth over
his own responsibility for the delay, instead of accepting his fault.
【正确答案】
C
【答案解析】[解析] 句意：我们可以看到，他在企图掩饰自己对这次延误应承担的责任，而不是承认他的错误。smooth over掩饰；减轻。pass off回避；掩饰；忽视。二者意思相近，可相互替换。run over撞倒。put right使恢复正常；校正。turn down减少，关小。因此，本题的正确答案为C。