John paid $20 for his meal, ________ he had thought it would cost

A. not much as

B. not so much as

C. less as

D. not so many as

Mark the letter A, B, C or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. 

After a long time working incessantly, all my efforts ended in failure. 

A. breakdown 

B. loss 

C. success 

D. collapse