Colin Had Been Having Trouble with Wild Animals

Colin had been having trouble with wild animals. He asked the salesman at Hardware Sales what kind of motion detection light would be best to install in his pump house. According to the Sale of Goods Act, Colin should expect a light that

A) uses skill and labor for installation, therefore is not protected by the Act.
B) is reasonably fit for the purpose.
C) would not be restricted by the usual exemption clauses.
D) will need careful installation for the product to be warranteed.
E) meets his description.