In an extremely short form, we can say that reaction time is the term used to describe the time interval between the generation of a stimulus and a motor action. During vehicle driving, the reaction time refers to the time interval in which the driver sees a danger (stimulus) and is able to act before an accident happens (motor action).
If the driver's reaction time is longer than normal, he will not be able to avoid the accident, which will cause situations that can be very dangerous and even deadly. For this reason, we can consider that the letter D is the correct option for your question.
When a person is ready to become a parent is when you have your life in order,meaning you have enough money to take care a family and are capable of having free time . When a person in not ready is when they stress to much about little things.
