A 75 Year Old Man Had Several Brown,raised Lesions on His

A 75 year old man had several brown,raised lesions on his arms.One of them began to bleed,after he snagged it while putting on his shirt.Fearing melanoma,he consulted his GP,who removed it.A representative section is shown in the accompanying photomicrograph.Which one of the following is the best diagnosis?

A) Actinic keratosis
B) Basal cell carcinoma
C) Compound naevus
D) Malignant melanoma
E) Seborrhoeic keratosis
F) Superficial spreading malignant melanoma
G) Squamous cell carcinoma