DESPITE HAVING RECEIVED POSITIVE REVIEWS BY INDUSTRY CRITICS, SAL...

137. Despite having received positive reviews by

industry critics, sales of the digital MP3

announced after the factory received --- that

smoke appeared after only two or three hours

player have been quite ---.

of driving.

(A) disappoint

(B) disappointed

(A) complains

(B) complained

(C) disappointment

(D) disappointing

(C) complaints

(D) complainer