Questions 1 to 3 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.
According to the conversation, which of the following medicines can NOT be sold without a doctor’s certificate or prescription

A．was re-elected as Nigeria’s President on Tuesday
B．said that governorship and state assembly elections in two of the areas were worst affected by the violence
C．is a Christian southerner
D．is a Muslim candidate from the mostly Muslin north

A．research nowadays is focusing on cloning a human body
B．research nowadays is focusing on recreating a whole man
C．scientists are using material from plants and animals to create new organs
D．scientists are using material from plants and animals to create new medicines