-- Li Ming said he would come here, _______ he hasn't arrived.
-- Don't worry. He is on the way. ______, there is much traffic, so it will take more time.
A：but; But
B：however; But
C：but; However
D：however; However
你想邀请别人跟你一起去海滩。可以说：
下列各项描述中，正确的是（ ）
