单选题 The game of golf became so popular in Scotland in order to keep people from playing golf when they ______ archery, a military necessity, the Scottish parliament passed a special law in 1457. The Scottish people, however, largely ignored this similar laws.
A. should have been practicing B. should be practicing
C. had been practicing D. were practicing

【正确答案】 A
【答案解析】[解析] 本题主要是对虚拟语气的考查。通过对本题的分析可知,当时人们沉溺于高尔夫球,而没有去练archery(a military necessity),因此when引导的从句中谓语应用虚拟语气,所以本题答案应为A。