What was the per person intake of PCBs in Japan in 1972?

1.	What was the per person intake of PCBs in Japan in 1972?
A.	40‚Äö√Ñ√∂‚àö√ë‚àö¬®60¬¨¬®¬¨¬µg
B.	40‚Äö√Ñ√∂‚àö√ë‚àö¬®50¬¨¬®¬¨¬µg
C.	40‚Äö√Ñ√∂‚àö√ë‚àö¬®70¬¨¬®¬¨¬µg
D.	40‚Äö√Ñ√∂‚àö√ë‚àö¬®72¬¨¬®¬¨¬µg
Answer» E.

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