My answer is(D) . It took me 01:06.
(A) No justification for the use of continuous tense ("was increasing") to emphasize the ongoing nature of the action.
(B) Not a sentence. "IC + Comma + And + IC" is introduced by conjunction "since" as a subordinate clause, but there is no main clause.
(C) Not s sentence, "with A, and with B" is used as modifier, but there is nothing for it to modify, and there is no main clause whatsoever.
(E) Conjunction "because"
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(A) No justification for the use of continuous tense ("was increasing") to emphasize the ongoing nature of the action.
(B) Not a sentence. "IC + Comma + And + IC" is introduced by conjunction "since" as a subordinate clause, but there is no main clause.
(C) Not s sentence, "with A, and with B" is used as modifier, but there is nothing for it to modify, and there is no main clause whatsoever.
(E) Conjunction "because"
...
