Answer:
The most likely contract of a life choice of Gunther is skin cancer. The correct option is B.
What is skin cancer?
Skin cancer is cancer that occurs in the skin cells. This causes outgrowth or abnormal growth of the skin cell. It occurs in the part of the skin which is exposed to the sun or not exposed to the sun.
As Gunther likes to sunbathe, he has more chances to get skin cancer, because the ultraviolet from the sun is the main reason for having skin cancer.
Thus, the correct option is B, skin cancer.