Jared comes across this passage as he is reading about new car technology:

most major car manufacturers now offer a form of lane departure warning system in their new models. these systems alert the driver when he crosses a line without signaling first. the goal is to address drowsiness at the wheel, although studies have shown it is not as efficient as initially expected. which of the following inferences could be supported by this textual evidence?

a. all new cars in this model year will come with a lane departure warning system.

b. most car manufacturers want to alert drivers when they cross a line without signaling.

c. lane departure warning systems need to be improved before they can become a standard feature.

d. lane departure warning systems are not as efficient as major car manufacturers expected them to be.

A) all new cars in this model year will come with a lane departure warning system

The answer is c

Explanation:

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).

- "d.)  describe the iroquois belief of how the earth was created. for the iroquois, there was no reason to explain the importance of rituals. also, as animists, they didn't need a special elaboration as to why animals are important or why they had a crucial role in the earth's creation. this is just an authentic myth that explains the creation of the earth. every culture has produced creation myths."