【单选题】

Thank you for your letter of May 1, in which you inquired about insurance _____1_____ for your shipments of machine parts.You are correct to assume that it is expensive to insure _____2_____ shipments, and that there are policies _____3_____ which cover all shipments during a period of time.Insurance underwriters offer two types of policy which would be _____4_____ for your requirements.1.

A、floating policy, which will cover all shipments with a maximum amount, and _____5_____ can be renewed when necessary.2. An open cover policy, _____6_____ which the shipper informs the underwriters when the shipment is made, and renews the policy after shipment.I enclose a proposal form, and would be _____7_____ if you could complete it and return it to me with details of your shipments and destinations, _____8_____ we can contact the underwriters for a premium quotation, which, I _____9_____ you, will be very competitive.Please contact us if you _____10_____ any further information.
A、individual
B．single
C．individualistic
D．singular