GMAT Sentence Correction (SC) | Panama seceded (withdrew formally from membership

Panama seceded (withdrew formally from membership of a federal union) from Colombia in 1903, except for Panama constructing a canal, the two countries continued on similar courses for the next decade.

A) except for Panama constructing a canal
B) except in constructing Panama's canal
C) but other than in Panama's construction of a canal
D) but other than the construction of a canal in Panama
E) but other than in constructing the Panama canal

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