单选题：Which of the following statements about Origen and Embrex is

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题目内容：
Which of the following statements about Origen and Embrex is correct according to the fifth paragraph? A．Origen and Embrex will jointly invent machines to increase production.
B．Origen wants to purchase an efficient donor cell-injecting machine.
C．Origen has joined hands with Embrex in producing cell-injecting machines.
D．Origen is the leading company in producing embryo-locating machines.

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