The pronunciation file of A is ABC too.
The pronunciation file of B is ABC too, (actually, the two words A and B are pronounced the same, so the pronunciation file is actually one, all are ABC, but because there is no option to share the pronunciation file, only the same file can be uploaded repeatedly)
The pronunciation file of C is TDT
The pronunciation file of D is XDX
The following conditions will occur during the exercise:
The pronunciation options for the letter A include
But I only have the right choice when choosing the first ABC. It is wrong to choose ABC in the lower row.