After the Following Statement Executes, What Value Is Stored in the Variable

Multiple Choice

After the following statement executes, what value is stored in the variable num?
num $=\operatorname{atoi}\left(^{\prime\prime}1000^{\prime\prime}\right) ;$

A) 1000
B) 999 (1000 minus 1 for the null terminator)
C) "1000"
D) "thousand"
E) None of these