Mr. Rybka was surprised to find the footprints going towards his gate because... (Choose all that apply)
a) Mr. Rybka wasn't expecting a visitor.
b) The footprints had an unusual shape.
c) The footprints disappeared on the way to his house, right in the middle of the street.
d) There was only one footprint in the middle of the street.
e) Mr. Rybka thought that there had been a burglary in his house.