Sentence Correction

Question #20 (incorrect)

Recently discovered mosaics in Zeugma, a city in Turkey, indicate that this ancient Roman city was once wealthy outposts of a thriving international commerce.


(A) wealthy outposts of a thriving international commerce

(B) another wealthy outposts of a thriving international commerce

(C) one of their thriving outposts of international commerce

(D) a wealthy outpost of a thriving international commerce

(E) a wealthy outpost of an international commerce that could only be called thriving

plz explain

Pick D

Roman city & a wealthy outpost ( Rule Noun : Noun Agreement )

pradeepkaushal9518 wrote:Question #20 (incorrect)

Recently discovered mosaics in Zeugma, a city in Turkey, indicate that this ancient Roman city was once wealthy outposts of a thriving international commerce.


(A) wealthy outposts of a thriving international commerce

(B) another wealthy outposts of a thriving international commerce

(C) one of their thriving outposts of international commerce

(D) a wealthy outpost of a thriving international commerce

(E) a wealthy outpost of an international commerce that could only be called thriving

plz explain

The subject of the THAT clause is "ancient roman city " -singular
Verb of the THAT clause is was -singular
In A) outposts is plural
B)outposts is plural
C)"their" is ambiguous
D)perfect no error
E) changes meaning "that could only be called thriving"

Answer D

the issue about object and meaning.
this ancient Roman city should need a single objective, so we can eliminate A, B, C.
E is redundancy,
D is contract and full meaning and grammar correct,