writing question

<p>The candidate < called for > medical insurance reform,
but to me he seemed less interested in the plight of uninsured
citizens < than in > whether < enough is > < registered > to vote. < No error ></p>

<p>A Called for
B than in
C enough is
D registered
E No error</p>

<p>C </p>

<p>It should be enough are because citizens are plural.</p>

<p>shouldn’t it be in past tense?
‘enough were’
please correct me.</p>

<p>I also think that past tense is better since the candidate “seemed” indicates the past.</p>