At the time of the earthquake, the following statements about Chile were correct: (a) Chile was cold and needed a lot of quilts; (b) It has been raining in Chile.

1. Chile is located in the southern hemisphere, with the same time as the northern and southern hemispheres, but the seasons are opposite. February is summer in the southern hemisphere. Therefore, a does not meet the meaning of the question;

B, the Mediterranean climate is mainly distributed in the west coast of the mainland at 30 ~ 40 north and south latitudes. It is hot and dry in summer and mild and rainy in winter, which is the most remarkable feature of the Mediterranean climate. Chile (365,438+0 S, 76 36' W) has a Mediterranean climate. At this time, it is a period of high temperature and little rain, and rainproof tools such as tents and umbrellas are needed. So, B didn't.

C. Grapes are the main crops in Chile, and the seasons in the northern and southern hemispheres are opposite. In the southern hemisphere, the grape harvest season is usually between February and April, so C fits the question.

D. The seasons in the northern and southern hemispheres are opposite. In February, it is winter in the northern hemisphere and summer in the southern hemisphere, so the length of day and night in Chile.

So: CD.