The correct answer is (A) To stink; to emit smoke, vapor, or steam; to smell unpleasantly. Also, to have an undesirable quality in profusion; to be connected with something bad.

Reek comes from Old English réocan, récan (to emit smoke), Dutch rieken, German riechen (smell)

Examples of use:

• She business arrangement reeked of fraud.
• His clothing reeks of tobacco.