Ford Motors developed the Explorer sports utility vehicle, the number 1 selling sports utility vehicle in the United States, based on an extensive study of customer preferences. Which value chain activity of Ford conducted those studies?
A.
Research and development
B.
Human resources
C.
Materials management
D.
Marketing and sales
E.
Company infrastructure
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皮皮学刷刷变学霸
举一反三
【单选题】下列程序段中循环体语句 _______ 。 int y=15; printf("%d",--y); do { printf("%d",--y); }while(!y);