Initially, bob was supposed to go to a concert tonight with his friends, but then sheila asked him to go to a movie. he was really excited about the concert but has had his eye on sheila for more than a year now.
bob is experiencing a(n) conflict.

a) approach-frustration
b) multiple-offers
c) approach-approach
d) trust-mistrust
e) approach-avoidance

c. approach-approach conflict.

Explanation:

Approach-approach conflict -  

It is the state of mind , where the person is confused between two tasks , and need to decide as he or she can do only one task at a time , is known as approach - approach conflict .  

The conflict is resolved , as soon as there is inclination towards one particular task.  

Hence , from the given scenario of the question, the Bob is experiencing an approach - approach conflict.

the answer is d.index