parents are discovering that there are many applications (or "apps") available on computer and tablet devices that are educational. some of these apps teach counting, simple math skills, and calculating prices when you are shopping. others focus on literacy skills like decoding letters or reading and writing short stories.
judging by the details in the passage, which concluding sentence would not match the tone?
a) some apps are really cool, but some are also really lame and not worth playing.
b) some educators are beginning to use apps in their classrooms on a regular basis.
c) while parents are discovering that apps are educational, kids are discovering that they are fun.
d) app developers are currently in the process of making even more educational apps for the future.