13 year old patient, did check with an explorer positive on a newly erupted tooth, the rest of the teeth are non-carious.. Pit and Fissure sealant

13 year old patient, did check with an explorer positive on a newly erupted tooth, the rest of the teeth are non-carious?

A. Pit and Fissure sealant ***

B. Restoration with Composite

C. Restoration with Amalgam

D. Topical Fluoride