句型Look at the... It's... — 英语选择题

英语角有三张动物卡，按顺序是 pig、duck、cat。小宁先介绍 pig，再介绍它后面的那张卡。选出小宁第二次要说的话。A. Look at the pig. It's a pig. B. Look at the duck. It's a duck. C. Look at the cat. It's a cat. D. Look at the duck. It's a pig.