What happened to Poland at the end of 18th century. Which of the following answers is correct?

What happened to Poland at the end of 18^th century. Which of the following answers is correct?
(a) Poland achieved independence at the end of the 18^th century.
(b) Poland came totally under the control of Russia and became part of Russia.
(c) Poland became the part of East Germany.
(d) Poland was partitioned at the end of the 18th century by three Great Powers: Russia, Prussia and Austria.

Answer : (d)