请教语法GWD第三套17题

花花臭臭

In Greek theology the supreme being was Esaugetu Emissee (Master of Breath), who dwelt in an upper realm in which the sky was the floor, and who had the power to give and to take away the breath of life. 答案是A


请问A里面的WHO指的是什么，and连接的是什么
B错在哪里

A in which the sky was the floor, and who had the power to give and to take
B where the sky was the floor, having the power to give and to take
C whose floor was the sky, and who has the power of giving and of taking
D in which the sky was the floor, with the power of giving and taking
E whose floor was the sky, having the power to give and take

HarrisZheng

who指代Esaugetu Emissee

and连接两个定语从句