题目内容：
PART Ⅰ: INCOMPLETE SENTENCES Directions: This part of the test has incomplete sentences. Four words or phrases, marked (A), (B), (C), (D), are given beneath each sentence. You are to choose the one word or phrase that best completes the sentence. Then, on your answer sheet, find the number of the question and mark your answer. The Hinman University Math Team ______ in the 27th annual International Collegiate Math Olympics.
A. participate B. participant C. participated D. participative
参考答案：
答案解析：