Answer:
c. none of the above
Explanation:
"Testicular cancer" is a cancer of the testicles. This is common among young males and rarely among men over 65. So, this makes choice b incorrect.
It is not the most common malignancy among men in the United States. The most common one is the "prostate cancer." So, this makes choice d incorrect.
It is not strongly related to a person's genes. Only a few people are diagnosed with testicular cancer owing to family history. Sometimes, it can also be caused by undescended testicles, a person's race, having an HIV infection, etc. So, this makes choice e incorrect.
