What kind of usage is the following sentence The ate cow brown grass. A. ungrammatical B. nonstandard C. grammatical D. standard usage?

Here's why:

* Word Order: The sentence doesn't follow the standard subject-verb-object structure of English. It should be "The brown cow ate grass".

* Subject-Verb Agreement: The verb "ate" doesn't agree with the singular subject "cow".

This sentence demonstrates a fundamental misunderstanding of English grammar.