Answer:
“As a marketer, I’ve always been motivated by creative projects, teamwork and being able to draw a connection between my efforts and the organization’s bottom line. One of the things I loved about my last job was witnessing the results of our team’s campaigns and watching as the leads we nurtured became customers. Having the opportunity to lead campaigns from ideation through launch was one of the reasons I was so excited to apply for this role.”
Explanation:
Yes! The tense has to stay consistent throughout the sentence! ;)
Im my opinoin id say both a and d but id go wit d to be safe
