A. To surprise someone
B. To confuse someone
C. To be unprepared
D. To scare someone
Answer: To surprise someone
A. To surprise someone
B. To confuse someone
C. To be unprepared
D. To scare someone
Answer: To surprise someone
Additional Information: 'Catch someone off guard' means to do something unexpectedly.
Subjects: Idioms and Phrases, Vocabulary