Choose the closest paraphrased version after the following sentence or the italicized part.
Psychologically there are two dangers to be guarded against in old age.（ ）
A.正确答案CPsychologically old people are too weak to deal with the two dangerous problems.
B.Generally speaking, old people are most vulnerable to psychological problems.
C.Psychologically, there are two dangers old people should take care to avoid.
D.Old people should be protected from the dangers of psychological problems.
