单选题 The newly recruited junior data analysts at Adeco Technologies may begin working on actual projects______following the mandatory two-week training period.
【正确答案】 C
【答案解析】解析：根据上下文语义，此处意为“培训后立即开始着手实际项目”，因此副词(C)immediately(立即)为正确答案。(A)suddenly意为“突然地”，(B)importantly意为“重要地”，(D)recurrently意为“周期性地”。