Anyone who knows about the world-famous scientist Steven Hawking can see that within his small and weak figure, he ________ a big heart．

1. A.
   is carrying
2. B.
   has carried
3. C.
   was carrying
4. D.
   carries

Anyone who knows about the world-famous scientist Steven Hawking can see that, within his small and weak figure, he 　　　 a big heart.

　 A. is carrying　 B. has carried　 C. was carrying　 D. carries