Question

帮我解释下为什么选while

( )he had very short exprience in that field,he's already become a leader of the municipal charity center in los angeles.
a while b despite c however d during

Answer 1

while 表转折，意思为虽然尽管，这句话的意思是，尽管他在那个领域经验很少，可他已经成为了洛杉矶慈善中心的领导人物。
despite 是不管，不顾的意思。
however 副词，一般后面会加逗号，而且会放在要转折的句子，也就是第二个句子前面。
during 是在什么什么期间，意思不符合。

Answer 2

while是当。。。时候的意思。所以选a

Answer 3

尽管的意思，表让步。