Which of the Following May Not Amount to the Exertion

Which of the following may not amount to the exertion of undue influence?

A) Bruce tells his wife that, if she does not guarantee his business debts, she will be a 'total waste of time' and he can't see why he should stick around.
B) The Army tells Fred that, unless he agrees to keep his activities as a member of the Elite Force secret, he will be dismissed and returned to the ordinary forces.
C) Janet befriends Max and takes increasing control of Max's finances and activities. She has decided that Max's brothers and sisters and his old friends are bad for him and has forbidden him from seeing them.
D) Tom visits his shy uncle to ask for money. When his uncle shows reluctance, Tom continues to press him, alternately shouting and crying and refusing to leave for seven hours.