A monster with a decaying body terratizes a town killing people by touching them with his hands which are covered in oozing sores which social fear most likely represent

C) Fear of physical touch

Explanation:

The monster is decaying and has a hands covered with oozing sores. The people of the community can only be killed if they come in contact with the monster and he touches them with his hands, therefore the people of the community would have a fear of physical touch, because they know for them to be killed by the monster, they need to be a physical touch between them and the monster.