Question: Given an ofstream outFS, which syntax is used to check whether a file is opened success a. outFS.open(filename); Ob. if (loutFS.is_open()) {...} O c. if

Given an ofstream outFS, which syntax is used to check whether a file is opened success a. outFS.open("filename"); Ob. if (loutFS.is_open()) {...} O c. if (outFS.is_closed()) {...} O d.outFS.is Open(filename)

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