JEE Main 2002 Chemistry question on Atomic Structure

1. A.
   $\alpha$-particles, which impinged on a metal foil and got absorbed
2. B.
   $\gamma$-rays, which impinged on a metal foil and got scattered
3. C.
   helium atoms, which impinged on a metal foil and got scattered
4. D.
   helium nuclei, which impinged on a metal foil and got scattered

[AIEEE 2002]