What is the result？（）
A. Line 26 prints "a" to System.out.
B. Line 26 prints "b" to System.out.
C. An exception is thrown at runtime.
D. Compilation of class A will fail due to an error in line 6.
What statement is true？（）
A. The code will compile without changes.
B. The code will compile if public Tree（）{Plant（）；} is added to the Tree class.
C. The code will compile if public Plant（）{Tree（）；} is added to the Plant class.
D. The code will compile if public Plant（）{this（"fern"）；} is added to the Plant class.
E. The code will compile if public Plant（）{Plant（"fern"）；} is added to the Plant class.
Refer to the exhibit. The Saratoga Softball League is setting up Call Transfer for its Cisco Unified CallManager Express solution, which uses version 4.0. The network supports the H.450 standards. What will be used to execute the transfer? （）
A. Tcl script
B. hairpin routing
C. h.450.2 standard
D. h.450.3 standard
E. proprietary Cisco method
Which two code fragments， inserted independently at line 12， will compile？（）
A. super（name， baseSalary）；
B. this.commission=commission；
C. super（）；this.commission=commission；
D. this.commission = commission；super（）；
E. super（name， baseSalary）；this.commission=commission；
F. this.commission=commission；super（name， baseSalary）；
G. super（name， baseSalary， commission）；
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