I Think The answer is d I hope it helps My friend Message Me if I’m wrong and I’ll change My answer and fix it for you
1. Is postponed
2. Were given
3. Was being searched
4. Was given
5. Was caught
Ecological metaphors are used to help develop authors ideas to communicate them to public
Most commonly "C", because they would want the reader to understand that something is different. Yes, they can change the style whenever they want to, but it would be more meaningful if they did it for a reason.