Mr. Brown repeated his words to his son, raising his voice a bit, but still no answer.
A. received
B. receiving
C. had received
D. to receive
网友回答
(答案→)A. received
B. receiving
C. had received
D. to receive
解析：考查时态。句意：布朗先生把话重复给儿子听，提高了一点声音，但（他）仍然没有得到回应。but是并列连词，这里表示转折，but后面的分句承前省略了主语he，根据repeated可知，后一分句也用一般过去时，故选A。