单选题 The oil price rise reactivated the boom in commodity prices and ______ inflation, which reached an annual rate of 15 per cent in the spring of 1974.
【正确答案】 A
【答案解析】boosted增加，使上升；harness控制，治理；stagger摇晃，蹒跚；embark on着手、从事……。只有A符合句意。