单项选择题
条件:某悬壁水池(题图),壁高H=1.5m。采用MU10砖及M7.5水泥砂浆砌筑。
A.6.75kN·m,43.5kN B.8.2kN·m,46.3kN C.9.75kN·m,33.5kN D.15.75kN·m.42.5kN
A.1.75m B.1.80m C.1.85m D.1.89m