問： Which of the following statements is true regarding the execution of the following code?
A. The string "Hello World" will be written into a new file named by the user.
B. If the user selects an already existing file, the old data will be overwritten by the new data.
C. If the user selects an already existing file, the VI will produce an error and stop execution.
D. Both A. and C.
E. Both A. and B.