[单项选择]It was on the early morning of Feb．19，1976，and they were holding a secret meeting．
A. 那是在1976年2月19日的清晨。他们在开一个秘密会议。
B. 在1976年2月19日清晨，他们在开一个秘密会议。
C. 当1976年2月19日清晨的时候，他们在开一个秘密会议。
D. 1976年2月19日清晨，他们在开一个秘密会议。

At dawn one morning in early May, Sean Cosgrove is stashing piles of maps, notes and photocopied documents in his gym bag before heading for West Milford High, a rural school in northernmost New Jersey. On his 30-minute commute, the young former investment banker tries to dream up new ways of lifting the monumentally forgettable Mexican War off the textbook page and into his students’ imaginations. Can he invoke the storied memories of Robert E. Lee, who cut his first military exploits on the plains of Veracuz—or will he be met with thundering responses of "Who’s Lee" Should he raise James K. Polk out of the mystic chords of memory, and hope, for a nanosecond, that the kids will care about the first U.S. president who stepped aside because he’d accomplished everything he wanted Let’s think some more. Well, there’s always the Alamo. And hey, isn’t that the teachers’ parking lot up ahead
It’s never an easy task
A. A clerk working in a gym.
B. A man running a bank.
C. A sportsman.
D. A historian.