<p>available through the school's guidance office (is) a job directory and a list of job referral centers (that provide) (information for) students (in need of) employment. (no error)</p>
<p>the answer is A, but I thought it could be E because in silverturtle's guide, it says that if and connects a compound noun and the closest noun to the verb is singular, then the verb can be either singular or plural!!!</p>
<p>Re-write it as:</p>
<p>A job directory and a list of job referral centers <em>are</em> available through the school’s guidance office…</p>
<p>or</p>
<h2>A job directory and a list of job referral centers, (which are) available through the school’s guidance office, provide information for students in need of employment.</h2>
<p>Jim and Greg are…</p>
<p>A horse and a sheep are…</p>
<p>The midnight run and the late-night game are…</p>