W: Hi, Bob, which unit are you learning this week in your English class? M: Last week we learned first part of Unit 1. On Monday we finished Unit 1. On Wednesday we'll finish Unit 2. And on Friday we'll finish Unit 3., Question: How many will Bob learn in this week? (A) One and a half. (B) Two. (C) Two and a half.
(C) Two and a half.