The answer is B !! The author
Answer:
While I <u>was taking</u> a shower, my cell phone rang. I asked my sister to answer it, but she didn’t hear me because she <u>was cleaning</u> the backyard.
(it's the first option)
B.
It is difficult to record points made during a meeting on an electronic slide.
How are you doing, brother? Is everything okay?
We should attempt getting a ride to the mall next week. Mom's birthday is coming soon, so we should get her something useful. We can do more than just buying flowers and candy this time. Contact me when you are free.
Sincerely,
Your Sister