The illegal addition of two floors
are not the only trouble the hotel could face, it also owes millions in unpaid taxes to the exchequer along with two other hotels.
(A) are not the only trouble the hotel could face, it also owes millions in unpaid taxes to the exchequer along with two other hotels
(B) is not the only trouble the hotel could face, and it also owes millions in unpaid taxes to the exchequer along with two other hotels
(C) is not the only trouble the hotel could face; it also owes, along with two other hotels, millions in unpaid taxes to the exchequer
(D) are not the only troubles the hotel could face, it as well as two other hotels also owe millions in unpaid taxes to the exchequer
(E) is not the only trouble the hotel could face; it, as well as two other hotels, also owe millions in unpaid taxes to the exchequer