A、American troops and ISIS. B、Afghanistan armies and American troops. C、ISIS and Afghanistan armies. D、American troops and Talib

(5)In Afghanistan, four Americans were recently killed at Bagram Airfield. That’s the largest U.S. base in the southern Asian country. Two U.S. troops and two U.S. contractors died in an explosion set off by an apparent suicide bomber. Seventeen other troops were wounded.
The Taliban said it was responsible. That’s the militant group that used to rule Afghanistan. The U.S. led a campaign that kicked them out of power in 2001, (6)but American troops and Taliban fighters are still part of a struggle that could determine who controls the country. (7)It is America’s longest war, the conflict in Afghanistan. It begun 15 years ago, after the September 11 terror attacks orchestrated by Osama bin Laden.
The al Qaeda was a guest and ally of Afghanistan’s ruling Taliban in 2001. Less than a month later, U.S. warplanes attacked the Taliban and after barely six weeks of airstrikes, the Taliban was on a run, abandoning Kabul to Afghan fighters allied with the U.S.
Questions 5 to 7 are based on the news report you have just heard.
5.How many Americans were killed recently at Bagram Airfield?
6.Which armies are fighting for who controls the country?
7.When did America’s longest war in Afghanistan start?