Which of the Following Statements Is True of Negligent Failure

Which of the following statements is true of negligent failure to warn?

A) The manufacturers must provide warnings about obvious dangers.
B) The manufacturers have to include warnings only for the original purchaser of the product, but not the user.
C) The manufacturers need not include warnings about dangers from unforeseeable misuses of the product.
D) The manufacturers of prescription drugs need not provide warnings to physicians of any chance of serious adverse reactions.