单选题 ______ of the speech computer, the lecturer was able to make himself heard.

【正确答案】 C
【答案解析】[考点] 固定搭配
[解析] in honor of“向……表示敬意,为祝贺……”;in aid of“用以援助……,作为援助……之用”;with the aid of“借助于.通过……的帮助”;instead of“代替,而不是……”。