根据以下信用证条款回答40-42题： Applicant：Peter Flowers Corp., Netherlands 231 Merry Street Amsterdam, Netherlands Beneficiary：May Flowers Corp., China 18 Chung Shan Road, Shanghai, China Documents required： Full set of clean on board ocean bills of lading made out to order and blank endorsed ，marked “freight prepaid”,notify applicant.

该提单的收货人一栏应填制为（）。

A．

B．

C．to order

D．Bank of China，Shanghai Branch

焊接车间焊工作业面积不应该小于（），地面应基本干燥。