Which sentence from the Introduction suggests that scientists and video game companies rarely work together on research? A. Oxford University researchers conducted a study on how playing video games affects the mental health of game players.

B For a long time, scientists have been hoping to better understand how playing video games impact people.

C They wanted to understand the effects of video games on behavior and the feeling of well-being.

D However, a lack of transparency from game makers has been a challenge.

Use the dictionary entry for crude to answer the question crude use context clues to choose the sentence that best uses the fourth definition of the word 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 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. mark this and return save and exit next submit