a b 88 87 d 86 90 92 55.3 52.7 56.5 86 85 85 86 89 88 85 85 86 89 None of these 90 85 89 88 90 90 88 91 89 89 91 91 86 89 91 87 95 88 86 90 89 89 87 94 88 91 87 83 88 89 89 87 90 92 88
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