1 . 听下面一段独白，回答以下小题。
1. What was the main focus of the study?

A．How to eat chocolate without gaining weight.

B．The health benefits of eating chocolate.

C．The effects of eating chocolate on happiness.

2. Who reported the best results?

A．People who ate no chocolate at all.

B．People who ate a lot of chocolate every day.

C．People who ate a moderate amount of chocolate every day.

3. What did the researchers say about the study?

A．There is still a lot of work to be done.

B．Milk chocolate was used in the experiment.

C．Eating too much chocolate had no positive impact on health.

4. Who might appreciate this news report most?

A．People who want to change their diet.

B．People who exercise regularly.

C．People who already eat chocolate fairly often.