几道SAT 填空题The threat of war, far from ___, lay heavily in the

几道SAT 填空题
The threat of war, far from ___, lay heavily in the air, and the villagers, while _____ going about their normal activities, were unable to shake off the fear for an impending catastrophe.
A,waning...contentedly
B.escalating...joyfully
C.subsiding.felicitously
D.receding...ostensibly
E.increasing...apparantly
答案是D啊,为啥不是C呢
2.Concealing errors they made, the researchers tried to _____ their research with data obtained from dubious sources.
A.shun
B.refute
C.ascertain
D.swagger
E.buttress
答案是E

1.C的subsiding和receding意义是相同的 都是消退的意思 但是后面一空的felicitously意思不对
这句话说的是：虽然村民们表面上进行日常活动 但是他们都无法摆脱对即将来临的灾难的恐惧
felicitously是 恰当地 的意思 ostensibly是 表面上地 的意思
2.buttress意为 支持
这句话的意思是 研究人员掩饰他们造成的错误 通过从可疑的来源获得的数据支持他们的研究
shun 避开 refute 反驳 ascertain 查明 swagger 大摇大摆/吹牛
Concealing errors的目的是为了支持研究的进行