单选题 What does Olson think about mass production?

A、 It's capital intensive.
B、 It's property intensive.
C、 It relies on individual labor.
D、 It relies on individual skills.

【正确答案】 B

【答案解析】第三段最后一句This production is often called capital-intensive，but it is really propertyintensive，Olson observes．这种生产(批量生产)往往被称为资本密集型生产，但Olson认为其实这是财产密集型生产，所以选B。