, but wide, too.

[Aieda_Chiang]

(a)The Nile is not only a long river, but wide, too.
(b) The Nile is not only a long river, but wide.
(c)The Nile is not only a long river, but also wide.
Which one is correct? If (a) is correct, why?

[RonBee]

I wouldn't use any of the choices given. Perhaps:

The Nile is not only long, but it is also wide.

Or:

The Nile is not only a wide river, but it is also a wide one.

~R