Which of the following is false for pointer-based strings?

Select one:

a.

A string may be assigned in a declaration to either a character array or a variable of type char *.

b.

String literals are written inside of single quotes

c.

A string in C++ is an array of characters ending in the null character ('\0').

d.

A string may include letters, digits and various special characters (i.e., +, -, * ).

Clear my choice