In the following sentence, a part of the sentence is underlined. Below are given alternatives to the underlined part, which may improve the sentence. Choose the correct alternative. In case no improvement is needed, choose the option ‘No improvement.'
The government can’t pin out the exact location where the leak came from.
A. Pin up
B. Pin down
C. Pin on
1
Only B
2
Only C
3
Both A and B
4
Both A and C
5
No Improvement