A Nurse Was Very Concerned About an Elderly Client Who

A nurse was very concerned about an elderly client who took care of himself in his own apartment.On the basis of statistics,which behavior would cause the nurse to be most concerned about his safety?

A) The man frequently went on long walks through the neighborhood.
B) The man often ate at the "all you can eat" buffet,sometimes spending several hours there.
C) The man often tripped over the rug in front of the sink.
D) The man smoked from the time he got up until he went to bed.