单项选择题
A.他们对中国人提出的这些论点显然颇为赞同。 B.他们对中国人正在前进的这种论点显然是赞同的。 C.显然,他们深深知道, 中国人会作出这种进步的。 D.显然,他们对中国人提出了这种争论而深有印象。
A.NASA has been sending astronauts to the moon again and again. B.NASA has been debating with the doubters for a long time. C.Doubters have been going to NASA year after year. D.Doubters have been going around the world to argue.
A .is not really convincing B.mmight not be argued about any morei C.ght still be doubted in the future D.is yet to be proved