有下列哪一种情形的属于劣药( )。
2019 年 10 月,甲广告公司从乙公司购入一处写字楼,支付不含增值税价款 500 万元。该写字楼乙公司账面原值 300 万元,已提折旧 75 万元。已知,契税税率为 4%。计算甲广告公司当月该笔业务应缴纳契税税额的下列算式中,正确的是( )。
What is the teacher doing in terms of error correction?
“ S: I go to the theatre last night.”
T: You GO to the theatre last night?
A.Correcting the student’s mistake.
B.Hinting that there is a mistake.
C.Encouraging peer correction.
D.Asking the student whether he really went to the theatre.