问题
单项选择题
What concern will the test-tube baby raise according to the passage
A．Whether the pregnancies of test-tube babies would be normal.
B．Whether the test-tube babies would be encouraged.
C．Why the proportion of defected babies is so high.
D．Why the number of Caesareans is so high.
答案
参考答案：A
解析：[分析] 细节题型。 参看第一段最后一行的Are these pregnancies normal Are the babies normal