Answer:
A
Step-by-step explanation:
The most likely treatment for a blockage of the vas deferens due to scar tissue would be surgery to remove the obstruction. This would involve a surgical procedure to remove the scar tissue and unblock the vas deferens, allowing sperm to pass through and potentially restoring fertility. Options B and D are not appropriate treatments for this condition, and option C is not a standard treatment for any type of infertility.