I think the answer is c but I could be wrong!!
I would say d. hope this helps.
Answer:
Companies today are expanding the role of teams in the workplace in an effort to empower employees and improve organizational effectiveness. The more we try to work as a team, the more important it becomes to recognize that people exhibit different behavioral styles. I use the term “behavioral style”, purposely avoiding the terms “personality” or “attitude”, because unless we are psychiatrists or psychologists, we are not qualified to evaluate such things. All that we can see and deal with is a person’s behavior.
There are four major behavioral styles: analytical, amiable, driver and expressive. Please note that I am using an extreme simplification of each particular style. It is doubtful that all people of a particular behavioral style exhibit all of the characteristics portrayed.
Next September, it will be eight years since we got married.
By next September, we will be married for eight years.
I will finish my coffee first and then I will have a shower.
I will have a shower as soon as I finish my coffee.
Yesterday, I ate sushi for the very first time.
I had never eaten sushi until yesterday
hope that helps :)