Many computer databases impose formatting requirements, such as minimum numbers of capital letters or numerals, on users' passwords in an attempt to enhance security; ironically, these measures often make the passwords easier to guess, as users are more likely to select the simplest possible password that conforms to all the rules.

a. security; ironically, these measures often make the passwords easier to guess, as users are
b. security; these measures, ironically, often result in users creating passwords that are easier to guess and
c. security - ironic measures that often cause passwords to be easier to guess because they are
d. security - measures that, ironically, often make passwords that are easier to guess, with users
e. security - often, ironically, making the passwords easier to guess and making users.

OA is A

The OA is A but Option B looks okay too. Can an Expert explain here pls