Which of the following clauses is(are) appropriate way(s) to stipulate shipment date? (   )
A、Shipment not later than September 30, 2017.
B、Shipment as soon as the goods are inspected by the quality inspection agent.
C、Shipment within 30 days after receipt of L/C.
D、Immediate shipment after the payment is cleared.
E、Shipment as soon as the exporter obtains the export licence.