Answer: I think candidate D since they have a reccomendation
Explanation: Recomendations are always good and help improve your standing
Corbel dome: arch like construction method to span a space or void in a structure such as a entryway.
Tholos: Beehive like tomb; Burial structure made out of mud bricks and stones.
Rotunda: Round building or dome.
Answer:
including research or having someone credible who agrees with you
This falls in abstract expressionism letter b that's the answer
