select the correct answer.
Lennox is doing internet research for a paper about the effects of cell phones on automobile accidents. Lennox wants to prove that driving while using a cell phone is dangerous. After reading this source from the National Traffic Safety Group at www.ntsg.org, Lennox is convinced his argument is sound.
OA. "Prior studies have discovered that tasks like mental arithmetic, memory tasks, and reasoning tasks produce negative effects on simulated driving."
OB. "Estimate suggest that mobile phone users spend as much as 60% of their total talk time while on the road."
OC. "As of July 1, 2001, more than 112 million people subscribers to mobile phone service in the United States alone."
OD. "One study finds that conversation does not hinder the ability to maintain road position or to respond quickly to hazards." ​