Answer:
B
Explanation:
B was recorded in 1925, a few decades before the others.
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.
Wow this seems like a cool class. Ikr though I’m sorry