B考察的是哪个知识点？

问题如下：

Text analytics is appropriate for application to:

选项：

A.

large, structured datasets.

B.

public but not private information.

C.

identifying possible short-term indicators of coming trends.

解释：

C is correct. Through the text analytics application of NLP, models using NLP analysis might incorporate non-traditional information to evaluate what people are saying—through their preferences, opinions, likes, or dislikes— in an attempt to identify trends and short-term indicators—for example, about a company, a stock, or an economic event—to forecast coming trends that may affect investment performance in the future.