I would like to call....................my friend while I am in London.
Aon
Boff
Cfor
Dout
Answer:
A. on
Read Explanation:
The correct sentence is:
I would like to call on my friend while I am in London.
Explanation: The phrase "call on" means to visit or contact someone. In this case, it refers to the action of visiting or reaching out to your friend while you are in London.