Answer
C. Both poems make reference to the heart.
Answer
The subjunctive verb mood is meant for expression suggestions, desires, wishes. Subjunctive mood is of three mods in English grammar. This is indicated by an indicative verb such as wish or suggest, paired then with a subjunctive verb.
A - Although he denies them, Dr. Vasequez faced several scandals last year.
A complex sentences must have both a dependent clasuse (although he denies them) and an independent clause (Dr. Vasquez faced several scandals last year.
Options B and D are compound sentences (two independent clauses) and option C is a simple sentence.
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