In the following questions, a part of the sentence is printed in bold. Below are given alternatives to the bold part which may improve the sentence. Choose the correct alternative. In case no improvement is needed your answer is (4).
The Sutlej has changed its path.

Options

A. journey
B. course
C. line
D. No Improvement

Answer

B

Explanation

Course : a direction or route followed by a ship or an aircraft or a river.
Here, course is the right usage.