【GMAT考满分语法SC题库】According to television networks, software trac_真题_答案

题目内容

According to television networks, software tracking social media sentiment has proved useful to predict the outcome of political elections.

A
tracking social media sentiment has proved useful to predict
分析该选项
Btracking social media sentiment has proved itself useful as a prediction of 分析该选项
Ctracking social media sentiment proves itself useful as predicting 分析该选项
Dthat tracks social media sentiment proves itself useful to predict 分析该选项
Ethat tracks social media sentiment has proved useful in predicting 分析该选项

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正确答案: E

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题目来源1:Ready4

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