Argument: both
the husband and the wife are working normally tend to be
single-child families
Point :1husband and the wife are working -> single-child -> lack of timePoint :2husband and the wife are working -> more than one single-child ->married at 20's
husband and the wife are working -> single-child -> married after 35 ->
Conclusion: husband and the wife are working -> biologically applicable for single-child
Bold phrase 1 speaks about one cause for the issue discussed here
Bold phrase 2 speaks about the main cause for the same issue discussed here
A:- Wrong -> 1st point is not a intermediate conclusion
B:- Correct -> 1st evidence is not agreed by author, 2nd one is agreed by author
C:- Wrong -> because, 1st & 2nd points are mutually exclusive points separated by the keyword "However" in the passage
D:- Wrong -> because, 1st point is altogether a different point & not aligned with main point
E:- Wrong -> because, 1st point is not conclusion