请问此题的正确答案 C 还是D？

chantelle

    

（1）   GWD-4-Q4 争议题，没有定论

    

GWD-4-Q3:

    

Today’s technology allows manufacturers
to make small cars more fuel-efficient now than at any time in their
production history.

    

 

    

A.small cars more fuel-efficient now than at any time in their

    

B.small cars that are more fuel-efficient than they were at any
time in their

    

C.small cars that are more fuel-efficient than those at any other
time in

    

D.more fuel-efficient small cars than those at any other time in
their

    

E.more fuel-efficient small cars now than at any time in

    

  同3-30

    

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A
new hair-growing drug is being sold for three times the price, per milligram, [CH1] as the drug’s maker charges
for another product with the same active ingredient.

    

 

    

A.    
as[CH2] 

    

B.    
than[CH3] 

    

C.    
that

    

D.    
of what

    

E.    
at which

    

        

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我认为是D，大家觉得呢？

                

            

        

            

                

 [CH2]没有as…as

                

            

        

            

                

 [CH3]没有比较级

                

            

    

wang991212

好像新p已经有这题了，答案应该是C