In C, to read in data from an external file at file path C: \Desktop\my_data.txt to file pointer myfile (assume this has been declared), which statement should be used? myfile = open ("C: \\Desktop\my_data.txt", "r"): myfile = fopen("my_data.txt", "r"): myfile = fopent("C: \\Desktop\\my_data.txt", "r"): myfile = fopen("C: \\Desktop\my_data.text", "r"): Assuming an input data file already exists and contains the values given below, what type of looping structure would be best suited to read the data? 5 0.0, 132.5 0.1, 147.2 0.2, 148.3 0.3, 157.3 0.4, 163.2 for do/while while end of file Assuming an input data file already exists and contains the values given below, what type of looping structure would be best suited to read the data? 0.0, 132.5 0.1, 147.2 0.2, 148.3 0.3, 157.3 0.4, 163.2 999.0, -999.0 while for do/while end of file