In "The Private History of a Campaign That Failed", Twain writes, "We are equal to the occasion.

In our response there was no hesitation, no decision". This type of writing is an example of
a)a motif b)hypocrisy
c)an anedote d)mock heroics

What is Twain's "tone" in this story? That will give you a clue to the answer.

Repost with what you think and we will give you further suggestions if needed.

Check this definition to see if it fits.

http://dictionary.reference.com/browse/hypocrisy

http://www.jstor.org/pss/2920567

this brief article explains the "tone".

I think you mean "anecdote" for c. Check this definition.

http://dictionary.reference.com/browse/anecdote

Which of the two posted definitions fit this quotation best?

b)hypocrisy

Right. :-)

mock heroics