In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.

Question: Who did Ohio State defeat in its consecutive tournament championships? Passage:Michigan claimed their second consecutive Big Ten Tournament championship at the 2018 Big Ten Conference Men's Basketball Tournament, becoming the first team to win consecutive tournament championships since Ohio State in 2010 and 2011; in the championship game against (#8 AP Poll/#8 Coaches Poll) Purdue, Teske posted 14 points off the bench while matched up against Isaac Haas, when Wagner had foul trouble. In the 2018 NCAA Tournament, Teske played 17 minutes in a buzzer beater 6463 victory over (#21 AP Poll/#19 Coaches Poll) Houston, including a 2 free throws as part of a rare 5-point play to tie the score at 51 with 5:41 remaining. Michigan reached the National Championship Game where it lost to (#2 Coaches Poll/#2 AP Poll) Villanova. Teske was one of a few players from the Cleveland area (including former Wolverine Eric Riley) to have played in a championship game. For the season, Teske averaged 12.3 minutes per game to go with 3.4 points and 3.3 rebounds.
Links: a. Eric Riley b. Eric Riley c. 200910 Ohio State Buckeyes men's basketball team d. Greater Cleveland
c