I was pretty nervous, in fact, pretty badly frightened, though, of course, I was no way in fault; but I knew men well enough to know that when they find they've given a tramp a million-pound bill when they thought it was a one-pounder, they are in a frantic rage against him instead of quarreling with their own near-sightedness, as they ought.

A.
the carelessness and short-tempered nature of British folks
B.
people's willingness to pick quarrels over small matters
C.
the lack of trust and respect Englishmen had for Americans
D.
the nature of people to blame others for their own mistakes or shortcomings
E.
the inability of people to trust others in matters involving money

Question

I was pretty nervous, in fact, pretty badly frightened, though, of course, I was no way in fault; but I knew men well enough to know that when they find they've given a tramp a million-pound bill when they thought it was a one-pounder, they are in a frantic rage against him instead of quarreling with their own near-sightedness, as they ought.

A. 
the carelessness and short-tempered nature of British folks
B. 
people's willingness to pick quarrels over small matters
C. 
the lack of trust and respect Englishmen had for Americans
D. 
the nature of people to blame others for their own mistakes or shortcomings
E. 
the inability of people to trust others in matters involving money