Parts of the following sentence are given as options. Identify the segment that contains a grammatical error.
A confluence is a place when two or more rivers meet.

Options

A. a)A confluence
B. b) rivers meet
C. c)when two or more
D. d)is a place

Answer

C

Explanation

When means at what time and Where means to what place or position. This sentence refers to the place where the two rivers meet. So, where will be used to describe the place.