如果客户以违约为由提起诉讼，应该以（)为被告。A．理财师B．理财师所在机构C．理财师和所在机构D．以

A、Enclosed is our S/C No. BS 6490 in two originals

B、We enclose our S/C No. BS 6490 in duplicate

C、Enclosed please find our S/C No. BS 6490 in duplicate

D、We email our S/C No. BS 6490 in duplicate to you

We are sending you herewith our contract No.9856 in duplicate (一式两份),with the request that you sign and return to us one copy of the contract at your earliest convenience. (翻译)

Dear sirs,

Re: L/C No. 12345

We thank you very much for your extension of L/C No. 12345, and we are pleased to inform you that we have this clay completed shipment of 1,000 Men's Bicycles in accordance with the stipulations of the captioned L/C, on board S. S "Seagull" sailing for your port on July 12. We confirm our fax of today's date, it reads:

"L/C NO. 12345 1,000 MEN'S BIKES SHIPPED SEAGULL SAILING JULY 12 LETFER FOLLOWS"

We are sending you under cover one set of the shipping documents coveting this consignment which comprise:

1. Our invoice in duplicate

2. One non-negotiable copy of B/L

3. Certificate of Quality in duplicate

4. Packing List in duplicate

5. Insurance Certificate in duplicate

We hope that the goods will arrive in good time and prove satisfactory to you and we expect to receive your further orders before long.

A．in, for

B．with, of

C．at, in

D．under, with

A．in, for

B．with, of

C．at, in

D．under, with

The first step to open an account is to ______.

A．prove your identity

B．fill out your signature card

C．present your passport

D．show your driver's license