单项选择题
A.24m B.28m C.34m D.40m
A.{{*HTML*}}K<sub>0</sub>=K<sub>1</sub>=K<sub>2</sub> B.{{*HTML*}}K<sub>0</sub><K<sub>1</sub>=K<sub>2</sub> C.{{*HTML*}}K<sub>0</sub><K<sub>1</sub><K<sub>2</sub> D.{{*HTML*}}K<sub>0</sub><K<sub>2</sub><K<sub>1</sub>
A.0.55 B.0.62 C.0.74 D.0.83