The words disclosure and concealment are antonyms. So the correct option among all the options given in the question is option "C". The word disclosure means revealing something. In other words disclosure means not trying to hide anything from anybody. On the other hand, the word concealment means to hide something or trying to not disclose something. So from the above definition of the words we can easily see that the words are totally opposite to each other in terms of meaning. So the words disclosure and concealment can be considered as antonyms.
Helps to organize your ideas
Read your paragraph to someone who are embarrassed at, and ask for their critiquing. :-)
It's possible that the quote is referring to Patience is key that can help you succeed. It will take time to acquire success if you want to be successful. You must be consistent in your observation of how everything will come to you at the appropriate time. even if the going becomes tough