A. although their opposites do not; for example, questions beginning with "how close," a construction implying that whatever is under discussion is nearby, but those beginning with "how far" do not necessarily carry the implication of long distance ---The clause beginning with - “for example, questions beginning with and ending with discussion is nearby ” - is a fragment. It does not have a working verb;
B unlike their opposites; for example, by beginning a question
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B unlike their opposites; for example, by beginning a question
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