Answer:
A. frustrated.
Explanation:
the answer is frustrated due to some example.
1. suppose you are carrying a large sack of wheat on your cycle and going to your house. suddenly you fall the sack of wheat on someone's feet. then you will say " oops sorry dear,, really sorry".
2. you taught your younger sister how to make paper boat. but then also she is doing mistake. then you must say " oops I have essentrecities sister like you."
