题目

盲人用手指来“阅读”盲文，利用的是皮肤的（   ） A．冷觉                  B．热觉                       C．触压觉                   D．痛觉 答案：C A knock at the door again! It was the third time someone _________ me that evening. A. has interrupted                                             B. had interrupted        C. to have interrupted                                        D. would have interrupted