Which of the Following Statements by the Person Is Significant

Which of the following statements by the person is significant when obtaining the health history of a person who is being assessed for possible congestive heart failure?

A) 'I am sleepy after I eat lunch each day.'
B) 'I feel better with my legs down when I sit up in my favourite chair.'
C) 'I break out into a cold sweat when I eat a large meal.'
D) 'In order to breathe I have to prop myself up on three pillows to sleep at night.'