单项选择题

To: Regional Store Managers
From: Anna Stanton, Quality Control Manager
Subject: Recall of Blue Canyon cheese
My department has been alerted (38) the food and health authority. They have identified production irregularities in some batches of Blue Canyon cheese. Although this does not represent a severe health hazard, Blue Canyon has decided to recall all products from distribution centers and retail outlets across the country.
Initial reports suggest that the (39) of the problem may have been the use of improperly treated water at the production plant. Production of Blue Canyon products will not resume until the health inspection authorities (40) their investigation.
Please (41)
your staff to remove all Blue Canyon products immediately and to post copies of the enclosed warning notice where the products were displayed in your store.
If you have any questions, please call my office directly.
Yours sincerely, A. is going to complete
B. is completing
C. will complete
D. complete

Anna Stanton
Quality Control Manager
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