以下两题A~D有其中一个是错的
恳求英文高手帮忙!!
1.In 1927,the(A)revolution strucl(B) the motion picture industry when(C)the first important(D) all-taking picture,The Jazz Singer, was a phenomenal success.
2.(A)Among bees, (B)the queen is never alone, but it is always surrounded by (C)a swarm of workers, (D)whom guard, clean, and feed her.
第二题是把D改成which吗？
以及一题字汇:
1. Many of the barriers to career opportunity that existed only a few decades ago, such as discrimination based on sex,or religion, or ethnic religins, are____disapperaing.
(A)rapidly (B)directly (C)vigilantly (D)incessantly
这题周旋在A&D之间选不出来...意思上感觉都合乎题意
感谢各位的帮忙～