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. Although subway fare was cheaper, Danielle chose to take a taxi to the concert hall ______ she would not be late.
A. so B. or C. but D. and
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