Match the following Regular Expression Character classes with their class descriptions…

Match the following Regular Expression Character classes with their class descriptions:
1) [:alnum:] a) match all control characters
2) [:alpha:] b) match all printable characters (not including space)
3) [:graph:] c) match all letters and digits
4) [:print:] d) match all letters
5) [:cntrl:] e) match all printable characters

A.
1-d, 2-c, 3-b, 4-e, 5-a

B.
1-c, 2-d, 3-e, 4-a, 5-b