校园里有一棵大树，它与三层教学楼差不多高。这棵大树约高请选择DCBA.M*t,L.U-C8A2J。0s2Y0F7t'~6D1w0u,\
A、3分米0s2Y0F7t'~6D1w0u,\
B、9分米0s2Y0F7t'~6D1w0u,\
C、3米0s2Y0F7t'~6D1w0u,\
D、9米0s2Y0F7t'~6D1w0u,\