exchanged traded是哪里讲到了？

问题如下：

Exchange-traded derivatives are:

选项：

A.

largely unregulated.

B.

traded through an informal network.

C.

guaranteed by a clearinghouse against default.

解释：

C is correct.

Exchanged-traded derivatives are guaranteed by a clearinghouse against default.

A is incorrect because traded derivatives are characterized by a relatively high degree of regulation. B is incorrect because the terms of exchange-traded derivatives terms are specified by the exchange.

中文解析：

C选项正确，交易所交易的衍生品由清算所提供违约担保。

A不正确，因为交易衍生品的特点是相对高度的监管。

B不正确，因为交易所交易衍生品的条款是由交易所指定的，并不是通过非正式的网络（ informal network）。