Choose the correct answer.

Since ancient times people had engaged in doctoring. In the primitive tribes, each resident was able to stop bleeding, to make stitches or to prevent infections. They even made attempts to cure teeth with herbs and with other useful plants. Prehistoric excavations tell us that a primitive man could not only cure fractures, but he also performed a craniotomy. Primitive people asked for help from many spirits casting numerous spells for healing.

What statement is true, according to the text?

• Ancient people tried to treat some diseases with various herbs.
• Ancient people could not treat any diseases.
• Primitive tribes could only prevent infections.
• Ancient people could only stop bleeding.