这题不理解

问题如下：

Some criticism of derivatives is their complexity:

选项：

The models built by scientists are generally accurate and can be widely used.

The complexity and diversity of financial markets allow knowledge from other disciplines to be applied to financial investment.

As talent from other fields joins the financial industry, people are also more trusting of derivatives and the people who work on them.

解释：

B is correct

金融市场的复杂性和多样性让其他学科的知识领域的知识可以应用到金融投资上来，一些投资公司会雇佣学数学、物理。计算机甚至是化学领域的人才。B是正确的。

衍生品结构较为复杂，科学家利用一些科学原理建立的市场模型也经常是不准确的，这也导致了很多人对衍生品以及是衍生品的人的不信任。A.C错误。