D) Recruiter.
On top of that, "experience in recruiting" basically gives it away. <span />
The purpose of exposition (or expository writing) is not primarily to amuse, but to enlighten and instruct. The objective is to explain and analyze information by presenting an idea, relevant evidence, and appropriate discussion. Its essential quality is clarity.
My three classes<span>, biology, English, and reading are very hard but they are not as difficult as math.</span>