*Put sunscreen   on before going out in the sun. *Take it with you. *Use it -- after a swim. -- every hour or so while playing outdoors. -- if you get sweaty. *Cover up when the sun is overhead -- 10 a.m.--2 p.m.. -- especially at lunch time. *Get your suntan   gradually and not too much. *Controlled exposure   to sunshine helps avoid skin cancer. Ask your chemist to recommend a suitable sunscreen. Queensland Cancer Fund P. O. Box Spring Hill, QLD.4000 Phone (07) 8397077 Provided for community awareness by the Queensland Cancer If you want a sunscreen, you should ask   _   for advice.
the seller the advertiser your doctor your parents
Question: *Put sunscreen   on before going out in the sun. *Take it with you. *Use it -- after a swim. -- every hour or so while playing outdoors. -- if you get sweaty. *Cover up when the sun is overhead -- 10 a.m.--2 p.m.. -- especially at lunch time. *Get your suntan   gradually and not too much. *Controlled exposure   to sunshine helps avoid skin cancer. Ask your chemist to recommend a suitable sunscreen. Queensland Cancer Fund P. O. Box Spring Hill, QLD.4000 Phone (07) 8397077 Provided for community awareness by the Queensland Cancer If you want a sunscreen, you should ask   _   for advice.
A. the seller
B. the advertiser
C. your doctor
D. your parents
Answer: