Sentence provides commentary information for elaboration of a concrete detail.
D) It was a good idea to wear short sleeves and a light jacket that could be taken off easily in the afternoon.
The concrete detail:
short sleeves and a light jacket
The commentary information for elaboration of the concrete detail:
that could be taken off easily in the afternoon.
Answer:
He welcomes him first but then get scared and frightened
The answer is " when you need to make information easier to understand" i have grad point and it said it was correct