北京奥运会主体育场的外形像鸟巢,硼烷的结构也像鸟巢,故称为巢式硼烷,五硼烷(B5H9)为传统火箭燃料,燃烧产物对环境污染小,其燃烧方程式为: 2B5H9+12O25X+9H2O,则X的化学式为 (e3g)h(Y(F8q-p-j8v7C1S-^(?6H5z*K:p4E+k3i'\
A.B2O5-j8v7C1S-^(?6H5z*K:p4E+k3i'\
B.B10H9-j8v7C1S-^(?6H5z*K:p4E+k3i'\
C.B2O3-j8v7C1S-^(?6H5z*K:p4E+k3i'\
D.B10O15-j8v7C1S-^(?6H5z*K:p4E+k3i'\