The heading for paragraph 4 would most likely be ?

A.the invention is a failure.

B.a tunnel collapse.

C.inventor to hero.

D.the invention goes on sale.​

The heading for paragraph 4 would most likely be Athe invention is a failureBa tunnel collapseCinventor to heroDthe invention goes on sale class=

Respuesta :

This one is a bit tricky but it would be C or D..
I would say pick the one you think it is but I think you should pick D.