COMPUTER NETWORKING

DATA LINK LAYER WIRED NETWORKS

DATA LINK CONTROL DLC

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
When Jack ____ me, I ____ a letter.
A
phoned/ has been writing
B
has phoned/ was writing
C
phoned/ was writing
D
was phoning/ wrote
Explanation: 
There is 1 question to complete.