Q25:
Scientists have identified an asteroid, 200 BF19, that is about alf a mile and, if it strikes Earth, it can do tremendous damage to part of the planet but probably not cause planetwide destruction.
A. and, if it strikes Earth, it can do tremendous damage to part of the planet but
B. and, if it would strike Earth, part of the planet could experience a trmendous amount of damage but it would
C and that, if it were to strike Earth, could do tremendous damage to part of the planet but would
D. and that, if Earth is strike by it, can do part of the planet tremendous damage, but it would
E. and that, if it strikes Earth, it could experience a tremendous amount of damage but
KEY: C
不太暸該如何解這一題 因此看到A還不錯 就選了
請問這題的解法應該是??