The answer is C, some activities clearly have more value than others
The answer would be A
A round character has depth, experiences feelings, emotions, etc. about which the reader is aware. Therefore, a round character is likely to experience internal conflict.
It shows that older people often ignore or minimize children's feelings
If this is a true or false question then it is true.
It's got to be C because none of the others relate to collaboration, but I'd say if you were unsure about this answer then the only other sensible one could be B, but I'd go with C.