Which statement is true of serous membranes?A) They line closed cavities such as the pleural, peritoneal, and pericardial cavities.B) They are dry and form the epithelia of the skin.C) They cover small areas within the body.D) Their openings are made of stratified squamous epithelial tissue.E) They secrete mucus. Solution A,C and E statements are correct. They are not dry and will not form epithelia of skin. They secrete mucous like substance. They are not made of compound epithelium.they are made of simple epithelium..