It needs_____ that the L/C should reach us 30 days before the mo

It needs_____ that the L/C should reach us 30 days before the month of shipment.
A、being mentioned
B、to be mentioned
C、mentioned
D、mention
【正确答案】：B
【题目解析】：句意：需要注意的是，信用证需在发货当月提前30天到达我处。sth. needs doing或sth. needs to be done都表示“需要做某事”。