It can best be described as the writer's opinion
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Sentence D is different from the others.
The other options (A-C) begin with a dependent clause and a comma - option D does not.
The correct answer is change they're to their.
The words they're stand for = they are, whereas the pronoun their shows some kind of possession. So, whose way? Their way. Not they are way. The other options are incorrect as TO is spelled correctly, there means that you are pointing to something, and two is a number.
The correct option is A :)
30= C.
31= A.
32=B.
33=A.
34=D.
35=A.