All of the following are parallel in structure with “crying over the loss of my boyfriend” except
a i felt so bad yesterday afternoonb texting all of my girl friendsc eating all the ice cream in the freezerd listening to my collection of sad music

The correct answer that would best complete the given statement above would be option A. The statement this is not considered as a parallel structure with “crying over the loss of my boyfriend” would be this: I felt so bad yesterday afternoon. What makes this not parallel because of its verb. The verb used in the given sentence is "-ing" therefore, the next verb should still be in "ing". 

Answer(b) electronic stability program