Verified Answer :

The correct answer is letter A. latchkey. School-age children who are left to supervise themselves after school while their parents work are often referred to as latchkey children. By literal definition, latchkey means the key that is used to open the outside door. So meaning, the kids will just wait until their parents arrive home to opened.

Hagrid

School-age children who are left
to supervise themselves after school while their parents work are often
referred to as latchkey children. The answer is letter A. The negative effects
of being a latchkey child are loneliness, boredom and fear. Sometimes, it may result
to an even greater effect such as alcohol and drug abuse.