Which of the Following Statements About Regular Expressions Is True

Multiple Choice

Which of the following statements about regular expressions is true.

A) The set of braces containing two numbers, {n,m}, matches between n and m occurrences (inclusively) of the pattern that it quantifies.
B) All of the regular expression quantifiers are greedy; they'll match as many occurrences of the pattern as possible until the pattern fails to make a match.
C) If a quantifier is followed by a question mark (?) , the quantifier becomes lazy and will match as few occurrences as possible as long as there is a successful match.
D) All of the above.