[单项选择]Passage Three
①It is a favorable thing to look back at some of the reforms which have long been an accepted part of our life, and to examine the opposition, usually bitter and very strange, sometimes dishonest but all too often honest, which had to be countered by the restless advocates of "grandmotherly" law.
The reforms treated in this book are not the well-known measures-like the abolition of slavery, the reform of Parliament, the vote of women-which are recorded in the standard history books. Here are some of the less familiar struggles which, with one or two exceptions, social historians have tended to dismiss briefly. Yet these old controversies give no less revealing insight into the minds of our grandfathers than do the major issues of the last century. The pulse of a generation can be taken just as effectively by considering its attitudes to the marrying of dead wives’ sisters, to the fetching of father’s beer or even to the sweeping of chimneys.
A. it is good to look at the arguments against them
B. it is good that they have been accepted
C. they were healthier than we now appreciate
D. we should study the alternative