According to the passage, the marriage seems to be ________.

A．The author believes it is an unfamiliar word for most readers.
B．The author quotes the word from the young couple.
C．The author does not think that the relationship between the young couple is true love.
D．The author wants to show that the meaning of love in Japan is different from the Western views.

A．Because they fail to offer enough evidence.
B．Because they don't assure them of that.
C．Because the sufferers are deaf and cannot hear what the doctors say.
D．Because lack of absolute guarantee makes them doubtful.