Referring to the phrase "draw a line under the hasty legislation"(Line 5, Para. 1), the author most probably means"______".

A．it might tap into deep wells of pain connected with South Africa
B．people could be detained but the state needn't to pay for it
C．it would affront British beliefs that home shouldn't be a place of punishment
D．house arrest could affect the freedom of other family members of the suspects