By saying “Life is never just being. It is a becoming, a relentless flowing on. ”, the author tends to tell us that ___.

A、weshouldlearntobereconciledtolife’scontradictorydemands;
B、lifeisfinitandweshouldcherisheverymoment;
C、ourfleshmayperishbutourspiritwillendure;
D、noonecanreallygothroughhistory