Everybody was required to keep the future plan in____..A.safety B.secretC.securityD.secrecy 答案是B 选A,B,C哪里错了?

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Everybody was required to keep the future plan in____..A.safety       B.secretC.securityD.secrecy       答案是B             选A,B,C哪里错了?

Everybody was required to keep the future plan in____..A.safety B.secretC.securityD.secrecy 答案是B 选A,B,C哪里错了?
Everybody was required to keep the future plan in____..
A.safety
B.secret
C.security
D.secrecy 答案是B 选A,B,C哪里错了?

Everybody was required to keep the future plan in____..A.safety B.secretC.securityD.secrecy 答案是B 选A,B,C哪里错了?
根据语境,【保密】keep sth in secrecy
不是【确保安全】

亲:有时候我们是无法通过单词去做选项。只有在一定的场合下才能判断其正确性。safety安全 secret秘密 security安全;保证 secrecy保密性