_______ the exporter makes additional investments to produce more export products, the fixed costs like _______ of the new equipment should be _______ in the calculation of marginal costs.
A、When, the one, got
B、While, such, come
C、When,that, included
D、While,that,given
【正确答案】：C
【题目解析】：include in包括在……中
句意：当出口商增加投资以生产更多的出口产品时，边际成本的计算应包括新设备等固定成本。
