The correct option is E) attention; he therefore talks
John believes that plants respond to human attention, he therefore talks to his African violets every night.
Grammatical construction is a matching of form and meaning in construction grammar, regardless of the complexity of its formal or semantic structure. Therefore, it is possible to think of words and word classes as examples of constructs.
"There are a few mistakes in the highlighted portion of the sentence: the use of a comma is incorrect because the sentence's two independent clauses should be joined by a semicolon; the word "which causes" doesn't fit with the sentence's context or accurately convey the sentence's meaning; and the verb "talking" is in the wrong tense. Only option E eliminates these faults while not adding any new ones.
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