Structure of nucleic acids and replication of DNA — practice question

Which statement is correct about thymine?

• Ahas a single ring structure ✓, is a pyrimidine ✓, joins its complementary base with 3 hydrogen bonds ✓
• Bhas a single ring structure ✓, is a pyrimidine ✓, joins its complementary base with 3 hydrogen bonds ✗
• Chas a single ring structure ✓, is a pyrimidine ✗, joins its complementary base with 3 hydrogen bonds ✗
• Dhas a single ring structure ✗, is a pyrimidine ✗, joins its complementary base with 3 hydrogen bonds ✓