B什么不对？

问题如下：

Steele’s Step 2 can be best described as:

选项：

A.

tokenization

B.

lemmatization

C.

standardization

解释：

A is correct. Tokenization is the process of splittinga given text into separate tokens. This step takes place after cleansing theraw text data (removing html tags, numbers, extra white spaces, etc.). Thetokens are then normalized to create the bag-of-words (BOW).