1，D ,2,B, 3,B, 4,D, 5,D, 6,D, 7,A, 8,A, 9,D,,10,A, 11,C,12,C ,13, A,14D, 15,A, 16,C,17,A,,18,D, 19,C, 20,C, 21,C, 22,D, 23,B, 24,B, 25,A, 26,D, 27,D, 28,D, 29,B 30,D, 31,A, 32,A, 33,C, 34B 35,D, 36,D,  37,C, 38,D, 39,B, 40,C 41,B, 42,D, 43,C 44,D, 45,C, 46,D, 47,D, 48,B, 49,C, 50,A, 51,C, 52,D, 53,C, 54,D, 55D,  56,D, 57,C, 58,A, 59,A, 60,A, 61,D, 62,D, 63,D, 64,D, 65B, 66,A, 67,A, 68,C, 69,D, 70,A, 71C, 72,A, 73,B, 74C, 75,C, 76,A, 77,D, 78,A, 79,C ,80,D, 81,D, 82,B, 83,D, 84,A, 85,A, 86,B, 87,D, 88,A, 89,D, 90,A, 91,A, 92,A, 93,A, 94,C, 95,B 96,C, 97C, 98,D, 99,B, 100,A