Research on Social Support Has Shown All but Which of the Following

Research on social support has shown all but which of the following?

A) People with cancer are less likely to die from the disease if they feel they have good social support.
B) Men benefit more than women from receiving social support.
C) Believing that you have social support can have positive effects even if you don't receive the support.
D) Receiving social support is beneficial, even if the recipients don't realize they are receiving it.