Given:

What is the result？（）

单项选择题Given： What is the result？（）

A.Compilation fails.
B.An exception is thrown at runtime.
C.The code executes normally and prints "sleep".
D.The code executes normally， but nothing is printed.

单项选择题Given： What is the result？（）

A.Afoo Afoo
B.Afoo Bfoo
C.Bfoo Afoo
D.Bfoo Bfoo
E.Compilation fails

多项选择题Click the Exhibit button. Which three statements are true？（）

A.Compilation fails.
B.The code compiles and the output is 2.
C.If lines 16， 17 and 18 were removed， compilation would fail.
D.If lines 24， 25 and 26 were removed， compilation would fail.
E.If lines 16， 17 and 18 were removed， the code would compile and the output would be 2.
F.If lines 24， 25 and 26 were removed， the code would compile and the output would be 1.

单项选择题Given： What is the result？（）

A.Compilation succeeds.
B.Compilation fails due to multiple errors.
C.Compilation fails due to an error only on line 20.
D.Compilation fails due to an error only on line 21.
E.Compilation fails due to an error only on line 22.

单项选择题Click the Exhibit button. What is the result？（）

A.go in Goban go in Sente go in Sente
B.go in Sente go in Sente go in Goban
C.go in Sente go in Goban go in Goban
D.go in Goban go in Goban go in Sente