Directions: Read the following passage. Then, answer the questions that follow.

¹Andy wants to learn how to ride his bike. ²His dad tried to teach him on Monday, but Andy was inattentive. . ⁵Andy’s inattentiveness happened over and over again. ⁶Now, when he tries to go down the hills, he accelerates too fast, which leaves him frightened. ⁷When his dad returns from work, he is going to try to persuade him to show him the basics of riding a bike. ⁸This time, he plans to follow his dad's instructions, instead of not listening to his dad.

What does the underlined word in sentence 2 (inattentive) most likely mean?