C, this is due to the fact the question is asking about the proper use of technology and use behind the wheel is clearly poor usage of tech.
Answer:
The answer would be A. Platelets
They base it on experiences with people they have had in the past
They reduce pregnancy because the delay the uterus releasing the egg, and delay ovulation. Less than 1% of women who use IUDs pregnant, although pregnancies after the emergency contraceptive pill are not as rare.
D. Newborns can differentiate smells and prefer sweet smells