Answer: c) She will do poorly on the exam.
Step-by-step explanation:
According to the arousal theory of motivation, people tend to perform activities in any particular situation according to the favorable level of arousal. To keep a person motivated, arousal level need to be high in some people and low in some in terms of relaxation and comfort.
According to the situation in question, Mary will not perform well in exam as she is an anxiety state due to care breakage and running late in exam. The state of low relaxation and low comfort will effect her arousal level of motivation to be low to perform well in exam.
Other option are incorrect because she will not perform brilliantly or average in exam.Information is enough to predict Mary's situation.Thus, the correct option is option(c).