prep62

62. Because she knew many of the leaders of colonial America and the American Revolution personally, Mercy Otis Warren was continually at or near the center of political events from 1765 to 1789, a vantage point combining with her talent for writing to make her one of the most valuable historians of the ear

(a) a vantage point combining with her talent for writing to make

(b) a vantage point, when combined with her talent for writing, that made

(c) a vantage point that combined with her talent for writing, and it made

(d) and this vantage point, which combined with her talent for writing to make

(e) and this vantage point, combined with her talent for writing, made

a除了combining不好还有没有其他问题？

我总觉得这个理由不让我信服