Which of the Following Is True of an Exclusion of the Implied

Which of the following is true of an exclusion of the implied warranty of fitness for a particular purpose?

A) The exclusion can be an oral or written statement,promise or other representation about the quality of a product.
B) The exclusion can occur by excusing buyers from examining the goods,the sample,or model.
C) The exclusion must be in writing,bold type,and be conspicuous.
D) Using expressions such as "as is," "with all faults," or some similar language would not exclude the implied warranty of fitness for a particular purpose.