Since the Italian government began a crackdown on the black market in the 1970's, the amount of looted antiquities smuggled out of Italy dropped by a 50 percent decline.
A)amount of looted antiquities smuggled out of Italy dropped by a 50 percent decline
B)amount of looted antiquities smuggled out of Italy has experienced a 50 percent decline
C)number of looted antiquities smuggled out of Italy has declined by 50 percent
D)number of looted antiquities smuggled out of Italy declined by 50 percent
E)number of looted antiquities smuggled out of Italy has dropped by a 50 percent decline
Guys ,
i can eliminate option A,B & E.
But i am confused why C why not D
A)amount of looted antiquities smuggled out of Italy dropped by a 50 percent decline
B)amount of looted antiquities smuggled out of Italy has experienced a 50 percent decline
C)number of looted antiquities smuggled out of Italy has declined by 50 percent
D)number of looted antiquities smuggled out of Italy declined by 50 percent
E)number of looted antiquities smuggled out of Italy has dropped by a 50 percent decline
Guys ,
i can eliminate option A,B & E.
But i am confused why C why not D
