常见不规则动词分组记忆策略 — 英语选择题

按“原形中的 i 变为过去式中的 a、再变为过去分词中的 u”的规律，哪组选项中的动词都符合这一分组？A. sing—sang—sung, ring—rang—rung, swim—swam—swum B. go—went—gone, see—saw—seen, take—took—taken C. buy—bought—bought, bring—brought—brought, think—thought—thought D. come—came—come, become—became—become, run—ran—run