______ by many well-known experts and film stars, the product was very popular at one time.
#96892
A
To advocate
B
Having advocated
C
Advocating
D
Advocated
推荐题目
Mary seems _______ the bad news, for she looks nice and happy.  
#92386
A
not to have learned
B
not to be hearing
C
not having learned
D
not to be
—What made him so worried.—       his wallet.
#91811
A
Having lost
B
Losing
C
Lose
D
Lost