My idiot friend asked how I could be so dumb as to think a little piece of cloth can stop a virus.

My idiot friend asked how I could be so dumb as to think a little piece of cloth can stop a virus.
My idiot friend asked how I could be so dumb as to think a little piece of cloth can stop a virus.
My idiot friend asked how I could be so dumb as to think a little piece of cloth can stop a virus.
My idiot friend asked how I could be so dumb as to think a little piece of cloth can stop a virus.

virus.