I think 'recent' is ok as a predicative adjective, though. (Collins) gives definition of 'recent' as:' having appeared, happened, or been made not long ago; modern, fresh, or new'. I guess we might say that 'young' indicates the time going forward from the time of formation up to the present (the objective view) whereas 'recent' indicates the time going back from the present to the time of formation (subjective view), but this seems to me a very minor quibble.
And yet DL provides it as one of the approved synonyms for this sentence. If DL doesn't want the practitioner to use it, then it shouldn't supply it, most particularly when there's an utter lack of context. It smacks of "bait-and-switch". And that's a lousy pedagogical technique.
The word means "association", like a "club" or "union", and not really like a singing group (although the "band of brothers" would be correct). In the same way, "bond" conveys the idea of affiliation between people. However, there are also monetary instruments, such as savings bonds, that are a different type of "bond". Strictly speaking, there are some instances where "band" would be correct and you should report it.
...and since it's THIS site you cold probably think they want to know if the bandage is young.... and as I can see below, yes it does.. but this way you'll learn weird stuff and people will demand a psychological expertise or a drug test if you MEAN what you said, or will just think you didn't know what you were saying there