I'm taking a test and have to guess the right answer to the question after the article. Article: Have you felt annoyed when a cellphone rings during the class? Something must be done to stop this.Now in New York City, USA,a rule is carried out in schools.Students can't even bring cellphones to schoo1.Is it a good thing or not? Anxious parents say that cellphones are an important tool in holding New York city's families together. "I worry about it," said Elizabeth Lorris Ritter, a mother of a middle school kid. It's necessary in our everyday life.We have a washing machine. We have running water, and We have cellphones." Many American parents think cellphones connect them to their children on buses,getting out from subways, walking through unknown places. "I have her call me when she gets out of school,"said Lindsay Walt, a schoolgirl's mother. "No one in New York is going to let their child go to school without a cellphone" What about the cellphone owners, the students? Most of the students said cellphones were _ and the cellphone was like all extra hand or foot for them. "I feel so empty,"said May Chom,1 4.There is also no way to listen to music on the way to school without my phone.It will be a really, really boring trip." Question: The article is about the _ in carrying out the rule not to use a cellphone in schoo1. Options: A: happiness B: interest C: problem D: satisfaction
A:
C