问题
选择题
A US coal producer agreed to pay ________ total of $ 209 million for the mining accident that killed 29 people，________ worst such disaster in 40 years in the US.
A．the；the
B．a；a
C．the；a
D．a；the
答案
答案：D
考查冠词用法。a total of＋数量词，意为“共计……”。第二空是形容词最高级前加定冠词表最高级概念，in 40 years in the US是最高级的限定范围。