四围山色中，（）。（），量这些大小车儿如何载得起(王实甫《长亭送别》)
参考答案：一鞭残照里 遍人间烦恼填胸臆
Only by shouting at the top of his voice _______ .[ ]
A.was he able to make himself heard
B .he was able to make himself heard
C. was he able to make himself hear
D. he was able to make himself hear
C++编译时的多态性体现在 【13】 ，运行时的多态性体现在 【14】 。
