下列地理现象，与太阳活动密切相关的是（ ）
A：酸雨的形成
B：“磁暴”现象的产生
C：臭氧层空洞的出现
D：扬尘、沙暴天气的出现
—What do you think of a house supplied by Lovell?
— you buy a home from Lovell，the company promises to buy it back at the same price after three years.
