III. Cloze: Choose the answer that best fills in the blank (10%； 2% for each question) Abortion was already illegal in many US states, with bans introduced within hours of Roe v Wade being overturned, as cities__(21)__ in protest everywhere. It came soon after the US supreme court abolished the constitutional right to abortion, morethan 50 years after __(22)__, leaving individual states to decide. It is __(23)__ to lead to abortion bans in about half of thestates. Among the first states __(24)__ almost all abortions was Utah where, after the ruling, its abortion ban had already__(25)__ on the same day that the US supreme court made the decision.
【題組】21.
(A) erupts
(B) to erupt
(C) erupting
(D) erupted