What is the best way to change this sentence from passive voice to active voice?

My plans to visit the famed city of New Orleans were interrupted by unexpected company.
A.
By unexpected company were my plans to visit the famed city of New Orleans interrupted.
B.
Unexpected company interrupted my plans to visit the famed city of New Orleans.
C.
My plans to visit New Orleans, the famed city, were interrupted by unexpected company.
D.
The famed city of New Orleans, my plans to visit it were interrupted by unexpected company.