Why do you find it so easy to believe?

:salam:

Interesting that you bring this up. I had read this one a very long time and had to jog my memory for this one. ‘C’ will have the correct answer owing to ‘D’ silence. However I am not clear what deductive process you are proposing to the starter of this thread unless you mean to say that deductive reasoning will provide the key to the starters confusion.