I can't walk anymore, I'm . . . . . . . . tired.

A. so such

B. such

C. so

D. too

Answer: Option D

Solution(By Examveda Team)

You can use ‘too’ instead of 'besides,' 'in addition,' 'also,' or 'as well.' But you can use it for other things, too, like when you want to indicate excessiveness. In the sentence excessive tiredness is indicated.