The completion in 1925 of the Holland Tunnel, linking Manhattan with New Jersey’s highways, which permitted 2,000 cars to pass through each tube every hour and was hailed as the decade’s $48 million engineering masterpiece.
(A)Tunnel, linking Manhattan with New Jersey’s highways, which permitted 2,000 cars to pass through each tube every hour and
The placement of the pronoun “which” next to highways would end up referring to highways.
(B) Tunnel, linking Manhattan with New Jersey’s highways and permitting 2,000 cars to pass through each tube every hour, it
The use of the pronoun “it” is unnessecary.
(C) Tunnel, linking Manhattan with New Jersey’s highways and permitting 2,000 cars to pass through each tube every hour,
Correct. Linking and permitting are modifiers and are parallel.
(D) Tunnel linked Manhattan with New Jersey’s highways, which permitted 2,000 cars to pass through each tube every hour and
“which” modifies highways and distorts the meaning of the sentence. Eliminate
(E) Tunnel linked Manhattan with New Jersey’s highways, permitting 2,000 cars to pass through each tube every hour,
Removing the modifiers, the sentence would read
The completion in 1925 of the Holland Tunnel linked Manhattan with New Jersey’s highways <modifier> was hailed as the decade’s engineering masterpiece.
Incorrect.