The correct answer is (B) To cause someone to lose his or her way. To make someone unsure of his or her bearings, or where he belongs, by removing or obscuring something that has served as a guide to him or his group, or culture, such as customs, moral standards, etc. In psychiatry, to cause someone to lose a sense of time, place or personal identity.

Examples of use:

• She was briefly disoriented as she awakened.
• The blinding blizzard and unending expanse of prairie served to quickly disorient him.