[单选题]
Peter Taylor, a CFA charterholder and a food industry analyst for a large investment firm, has been invited by Sweet Pineapple Co. to visit the firm's processing plants in Hawaii. The Standard concerning independence and objectivity recommends that Taylor:
A.Use and pay for commercial transportation,if available.
B.Obtain written permission from his employer before he accepts this invitation.
C.Decline this invitation if he issues recommendations on the firm's securities.