In paragraph 2, the writer talks about someone saying, 'You're a lucky dog.' He is saying that ______.
A.
the speaker of this sentence is just being friendly
B.
this saying means the same as 'You're a lucky guy' or 'You're a lucky gal'
C.
the word 'dog' shouldn't be used to apply to people
D.
sometimes the words used by a speaker give a clue to the feeling behind the words