求助两道gwd语法,thanks million~

1)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.

1. in which the sky was the floor, and who had the power to give and to take
2. where the sky was the floor, having the power to give and to take
3. whose floor was the sky, and who has the power of giving and of taking
4. in which the sky was the floor, with the power of giving and taking
5. whose floor was the sky, having the power to give and take

答案是A          请问 B为什么不对?

2)

A new hair-growing drug is being sold for three times the price, per milligram, as the drug’s maker charges for another product with the same active ingredient.

1. as
2. than
3. that
4. of what
5. at which

答案是 D,  真的不知道为什么

who can explain ,thank u

A new hair-growing drug is being sold for three times the price, per milligram, as the drug’s maker charges for another product with the same active ingredient.

1. as
2. than
3. that
4. of what
5. at which

答案是 D,  真的不知道为什么

who can explain ,thank u

why the option A isnot the key to the second one?

1)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.

1. in which the sky was the floor, and who had the power to give and to take
     
2. where the sky was the floor, having the power to give and to take
      having the power 不知道是修饰the sky 还是修饰 who, or the supreme being.
3. whose floor was the sky, and who has the power of giving and of taking
      改变句意。天为地而不是地为天。
4. in which the sky was the floor, with the power of giving and taking
      with the power of giving and taking不知道是修饰the sky 还是修饰 who, or the supreme being.
5. whose floor was the sky, having the power to give and take  改变句意。天为地而不是地为天。

A new hair-growing drug is being sold for three times the price, per milligram, as the drug’s maker charges for another product with the same active ingredient. 

1. as
         
2. than
         
3. that
         
4. of what
         
5. at which

the three times the price  of  another product the drug's maker charges 

A new hair-growing drug is being sold for three times the price, per milligram, as the drug’s maker charges for another product with the same active ingredient. 

1. as
         
2. than
         
3. that
         
4. of what
         
5. at which

the three times the price  of  another product