How Did Israel's Practice of Directly Electing Prime Ministers Prove

How did Israel's practice of directly electing prime ministers prove that combining parliamentary and presidentialism does not create a stable government?

A) Israelis voted for smaller parties to make up the legislature, resulting in a fractionated Knesset that could easily vote out the prime minister via a motion of confidence.
B) Israeli voters elected a prime minister from a minority party and chose only majority party members for the legislature.
C) The hybrid system was met with a lower voter turnout than in previous years.
D) After voting for a prime minister, many Israeli voters did not participate in the election of the legislature.