Consider the following program segment.
ifstream inFile; //Line 1int x, y; //Line 2... //Line 3
inFile >> x >> y; //Line 4
Which of the following statements at Line 3 can be used to open the file progdata.dat and input data from this file into x and y at Line 4?
A. inFile.open("progdata.dat");
B. inFile(open,"progdata.dat");
C. open.inFile("progdata.dat");
D. open(inFile,"progdata.dat");
Answer: A
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