<u><em>The answer is (B) The nation's efforts to deny racial equality are part of the past rather than the future</em></u>
“are
climbing” is in present progressive tense.
<span>The </span>PRESENT PROGRESSIVE TENSE<span> indicates continuing action, something going on
now. This </span>tense<span> is
formed with the helping "to be" verb, in the </span>present tense, plus the present<span> participle
of the verb (with an -ing ending): "I am buying all my family's Christmas
gifts early this year.</span>
The correct answer between all
the choices given is the first choice or letter A. I am hoping that this answer
has satisfied your query and it will be able to help you in your endeavor, and
if you would like, feel free to ask another question.
Mutant
boom love you doll hopes this helps