Problem with A is that it is Ambiguous:
"called for urban apartment houses including childcare facilities and clustered suburban houses ...." -it looks like urban houses are inceluding both childcare facilities and susburban houses
However this could have been best option if there would have been a "Comma" before and included
"called for urban apartment houses including childcare facilities, and clustered suburban houses ...." - this would have helped to clear
...
"called for urban apartment houses including childcare facilities and clustered suburban houses ...." -it looks like urban houses are inceluding both childcare facilities and susburban houses
However this could have been best option if there would have been a "Comma" before and included
"called for urban apartment houses including childcare facilities, and clustered suburban houses ...." - this would have helped to clear
...
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