Read the excerpt from Article 5 of the Texas Constitution.

Sec. 2. SUPREME COURT; JUSTICES . . . (b) No person shall be eligible to serve in the office of Chief Justice or Justice of the Supreme Court unless the person is licensed to practice law in this state and is, at the time of election, a citizen of the United States and of this state, and has attained the age of thirty-five years, and has been a practicing lawyer, or a lawyer and judge of a court of record together at least ten years.

(c) Said Justices shall be elected (three of them each two years) by the qualified voters of the state at a general election; shall hold their offices six years; and shall each receive such compensation as shall be provided by law.

Sec. 28. VACANCY IN JUDICIAL OFFICE. (a) A vacancy in the office of Chief Justice, Justice, or Judge of the Supreme Court, the Court of Criminal Appeals, the Court of Appeals, or the District Courts shall be filled by the Governor until the next succeeding General Election for state officers, and at that election the voters shall fill the vacancy for the unexpired term.

According to the excerpt, how are justices most often chosen to serve on the Texas Supreme Court?

They are appointed by the president.
They are appointed by the governor.
They are elected by qualified voters.
They are selected by a committee.