答案及解析：[单选题]有一次,他在去果园的路上摔在了雨后很滑的地上,摔断了两根肋骨。() A He once fell on ground which was slippery after a rain, breaking

问题：

[单选题]有一次,他在去果园的路上摔在了雨后很滑的地上,摔断了两根肋骨。()
A
He once fell on ground which was slippery after a rain, breaking two ribs while he was on the way to an orchard.
B
Once, while he was on the way to an orchard, he slipped and fell, breaking two ribs.