<p>Can anyone explain the answer to this question? Thanks, guys.</p>
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<p>But, to answer your question, this is an error with redundancy. You do not need both “annually” and “each year”. Since annually is not underlined, the error is D (each year).</p>
<p>This type of question is relatively rare on the SAT. It probably only occurs 1-3 times a year on the 7 tests. Here are other times it has been tested: thoroughly enough, looking back in retrospect, even more worse. Hope that helps.</p>