The characteristics of elements $X$,$Y$ and $Z$ with atomic numbers,respectively,$33$,$53$ and $83$ are :

• A
  $X$ and $Y$ are metalloids and $Z$ is a metal.
• B
  $X$ is a metalloid,$Y$ is a non-metal and $Z$ is a metal.
• C
  $X$,$Y$ and $Z$ are metals.
• D
  $X$ and $Z$ are non-metals and $Y$ is a metalloid.