单项选择题
A.00
B.0001
C.000120
D.00012021
E.Compilation fails.
F.An exception is thrown at runtime.
多项选择题 Given: Under which three circumstances will the code on line 37 be executed?（）
单项选择题 Given: If class Donkey is invoked twice, the first time without assertions enabled, and the second time with assertions enabled, what are the results?（）
单项选择题 Given: What is the result when method testIfA is invoked?（）
