Answer:
B)there isn't a contribution from the seminal vesicles, so there is a possible obstruction in the upper portion of the reproductive tract
Step-by-step explanation:
Seminal vesicles produce thick fluid that contains Fructose and other nutrients. The fluid from seminal vesicles constitute about 50-60% of total semen ejaculated. Since seminal vesicles are present in upper portion of the reproductive tract and there is no fructose detected so it is a possibility that there maybe the obstruction in the upper portion of the reproductive tract.