by number/ factor/ relate/ voice/ reveal/ personality/ speaker.
A. The number of factors relating to the voice revealed the personality of who is a speaker.
B. A number of factors that related to the voice revealing the personality of the speaker.
C. A number of factors related to the voice reveal the personality of the speaker.
D. The number of factors relate to the voice revealed the personality of the speaker.
Câu trả lời là: C là đáp án đúng
