Some consumers would try to solve their issues online before________our customer

游客2023-09-29 54

问题 Some consumers would try to solve their issues online before________our customer service.

选项 A、to contact
B、contact
C、contacted
D、contacting

答案 D

解析本题考查介词后加宾语的用法。介词before需要接名词或动名词作宾语，因此需要将动词contact变成动名词contacting，因此确定本题答案为D。to contact为动词不定式，contact为动词原形，contacted为动词的过去式。这三个选项不符合语法要求，均可以排除。

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