71.
Your Answer is
Correct Answer is D
Explanation
Before the semicolon is an independent and complete sentence, so the number of conjunctions and predicates must match. D option has 1 predicate, 0 conjunctions, a perfect match, so choose D;
A option 1 Conjunction 1 predicate; B option 1 conjunction 1 predicate; C option has no predicate and no conjunction. Neither is correct.