In the accompanying figure, item _______ represents the students element and contents copied from the student.xml document.

When comments are visible, by default they display:

A) in the left margin. B) in the bottom margin. C) in the markup area. D) within the body text of the document.

The C++ compiler makes objects take up more space in memory if they:

a. Are derived from base classes. b. Have virtual functions. c. Have only protected members. d. Are referenced by pointers.