These are C++ questions. I need some help with these 5 questions I got wrong.

1. To call a member function, you code

A. the name of the object, followed by the scope resolution operator and the name of the function

B. the name of the object, followed by the name of the function in parentheses

C. the name of the object, the dot operator, and the name of the function

D. the name of the object in parentheses, followed by the name of the function

2. A member function is a function thats available from

A. a class

B. an object

C. a namespace

D. a library

3. Which of the following operators is a shortcut for appending a string or a char to a string variable?

A. &

B. &=

C. +

D. +=

4. Which of the following is true about the main() function for a program?

A. It contains all of the executable code for the program.

B. It must contain a return statement.

C. It always accepts parameters.

D. It is executed automatically when a program starts.

5. A compile-time error occurs when

A. the C++ compiler cant be located

B. the machine language code cant be interpreted properly

C. theres a syntax error in a C++ statement

D. theres a logic error in the program