In Addition to Teaching Her Regular Class Load, Helen Took

In addition to teaching her regular class load, Helen took over two of the classes of a professor who had to enter the hospital. These additional classes have added a great deal of work-related stress to Helen's life in the last two months. According to Cohen's research, one would expect Helen to:

A) increase the number of hours that she sleeps each night.
B) be more likely to catch a cold or other virus.
C) be more likely to internalize her anger leading to a mild depression.
D) increase her stamina through this added workload.