單選題

Which of the blanks is Not fit for “ as” or “As”?

 (A) Helen’s beauty was seen _____ the cause of the Trojan War.

 (B) He failed many subjects _____ a result of his addiction to computer games.

 (C) _______ more and more people supporting Jack, he is likely to be elected the new mayor.

 (D) Jack gave me a bike as my birthday gift ______ he had promised.