Answer A makes sense for me
the other sentence is B therefore
because therefore means so
my teacher was very ill therefore (so) a substitute was called to finish the day
Answer:
I couldn't have answered the phone because the battery died.
Explanation:
I’m pretty sure you don’t need a comma there. You would need a comma if it was like “Nakia likes to read comic books, magazines, and scary stories on the weekends.
Answer:
I don’t see any options for me to choose from. Maybe try attaching a picture?
Explanation: