1.B        2.A        3.D        4.D        5.A        6.D        7.B        8.B        9.D        10.B
11.D        12.A        13.D        14.C        15.A        16.C        17.B        18.C        19.B        20.C
21.C        22.D        23.B        24.B        25.B        26.C        27.C        28.D        29.C        30.D
31.B        32.B        33.A        34.D        35.B        36.D        37.B        38.D        39.A        40.A
41.C        42.A        43.B        44.C        45.C        46.B        47.D        48.B        49.B        50.C
51.B        52.C        53.B        54.B        55.A        56.B        57.B        58.C        59.A        60.B
61.B        62.B        63.B        64.D        65.B        66.C        67.B        68.C        69.B        70.B