A Man Has Come in to the Clinic Because He

A man has come in to the clinic because he is afraid he might have skin cancer. During the skin assessment, the nurse notices several areas of pigmentation that look greasy, dark, and "stuck on" on his skin. Which of the following is the best prediction?

A) He probably has senile lentigines,which do not become cancerous.
B) He probably has actinic keratoses,precursors to basal cell carcinoma.
C) He probably has acrochordons,precursors to squamous cell carcinoma.
D) He probably has seborrheic keratosis,which do not become cancerous.