Use the dictionary entry for crude to answer the question.

crude

crude [‘krüd] adj

from latin crudus

1. the quality of being unchanged from the original state

2. the quality of being primitive or uncultured

3. the quality of being obvious

4. the quality of being rough in execution

use context clues to choose the sentence that best uses the fourth definition of the word crude.

rather than being subtle, selma was rather crude in the way she conducted herself at the meeting.
elijah and his brother quickly built a crude shelter that would keep them warm and dry through the night.
thelma’s knowledge of art and poetry showed the rest of the diners that she was far from crude.
there was oil to be found on the property, but it was crude and would need to be processed.

The fourth definition of the word crude is 4. the quality of being rough in execution. The sentence that best uses this definition is the first one - Rather than being subtle, Selma was rather crude in the way she conducted herself at the meeting.

She was supposed to be subtle, but ended up being rough. 

The second sentence and the third one are definition number 2, and the fourth sentence is definition number 1.

C. Thelma's knowledge of art and poetry showed the rest of the diners that she was far from crude.

Explanation:

The fourth definition, is the qauality of being rough in excecution. Excecution can mean the art of carrying out an action. You can paraphrase these sentences based on the definition, and see if they make sense. Thelma's knowledge of art and poetry showed the rest of the diners that she was far from rough in execution.

the answer is chance