Efficient means someone who is working in a well-organized way and plans things well. So think of what a character would do being "well-organized" "well-planned" ...etc.
What task are you talking about, I don't see anything?
The purpose of a descriptive essay is to describe a person, place, or thing in such vivid detail that the reader can easily form a precise mental picture of what is being written.
So A is the answer hope this helps and let me know if it's right!
Answer:
It is C
Explanation:
Ed 2020, just took the test :))