Question

Choose the most suitable option to fill in the blank:
The doorbell rang while I _____________.

• A. will have a shower.
  
• B. had a shower.
  
• C. was having a shower.
• D. am having a shower.
  

Answer 1

The correct option is C was having a shower.

the doorbell rang while i WAS HAVING A SHOWER

PAST CONTINUOUS :- the past continuous tense is used to denote an action going on at sometime in the past. the time of the action may or may not be indicated.

for example:- the doorbell rang while i was having a shower

here was having a shower is past continuous tense because rang is denoting past and was having a shower is indicating the continuous action in the past