Using satellite remote sensing, Dr. Catherine Nakalembe, director of NASA’s Harvest Africa initiative, gathers important data on crop health. Nakalembe doesn’t just compile the ______blank she also shares her findings with African farmers, enabling them to make data-driven decisions about managing critical food crops.
Which choice completes the text so that it conforms to the conventions of Standard English?
Correct answer: A
Explanation
Choice A is the best answer. This choice uses a semicolon to join two independent clauses ("Nakalembe doesn’t just…though" and "she also shares..."). This choice also appropriately includes "though" in the first clause, where it logically belongs.
Choice B is incorrect. This choice results in a grammar error called a comma splice. It incorrectly joins two independent clauses with only a comma instead of a comma and a coordinating conjunction like "and" or "but." "Though" is a transition word, but it’s not a coordinating conjunction. Choice C is incorrect. This choice results in a punctuation error. A semicolon can only be used to link two independent clauses. However, if "though" is included in the second clause, it turns the second clause into a dependent clause, so a semicolon can’t be used after "information." Choice D is incorrect. This choice results in a grammar error called a comma splice. It incorrectly joins two independent clauses with only a comma instead of a comma and a coordinating conjunction like "and" or "but."
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