Which of the following people is experiencing stress because of frustration?

a. Andor wants to attend Harvard, but does not have the grades or money to achieve his goal. He attends the local community college instead, but is angry about it.
b. Nanette gets married, has a baby, and buys a new house all within the same year. c. Marcus experiences PTSD after serving in the military in Iraq for a year.
d. Katie wants to ask her colleague Mark for a date, but she fears that he will turn her down and tell their co- workers.
e. Aubrey has a tendency to be hostile. When his boss criticizes Aubrey's work, Aubrey punctures his boss'stires.

a