单选题 — I hear Johnson was badly injured in the accident. —______, let's go and see him.
【正确答案】 B
【答案解析】此题是考察习惯用语。What's more不仅如此；if so要真是这样；where possible在有可能的地方；when necessary必要时。选if so 符合逻辑。答案为B。