Words that end in<span> -ch, x, s or s-like sounds, however, </span>will<span> require an -es for the </span>plural<span>: .... But note that some inconsistency is acceptable in </span>all<span> but the most formal writing: ...</span>
Persuade means to convince someone to believe, follow, accept, etc. your idea or suggestion. So your answer should be C. To Convince. Hope this helps! =^-^=
