Information failure — practice question

Which merit good is most likely to be under-consumed?

• Alevel of imperfect information among consumers: high; subsidy received by producers: yes
• Blevel of imperfect information among consumers: high; subsidy received by producers: no
• Clevel of imperfect information among consumers: low; subsidy received by producers: yes
• Dlevel of imperfect information among consumers: low; subsidy received by producers: no