As well as (6)_____ back the Spanish plan to invade England by several months, Dr. Ake's daring attack (7)_____ the success of a popular new drink. For among the stores that he (8)_____ from Cadiz were 2,900 large barrels of sack, a wine made in the Jerez region of Spain, and the (9)_____ of today's sherry. The wine makers of Jerez looked for overseas markets, and sack started to take off in England. In 1587, the celebratory drinking of the sack brought back from Cadiz by Dr. Ake gave it a further (10)_____ and made it hugely fashionable, (11)_____ its Spanish origin.
For (12)_____ chemical reasons, sack was an unusually long-lasting and (13)_____ wine. This made it ideal for taking on long sea voyages, (14)_____ which alcoholic drinks acted as a vital social lubricant that (15)_____ the hardship of spending weeks packed into a (16)_____ ship. Columbus took sack with him to the new world in the 1490s, making it the first wine to be (17)_____ into the Americas.
In 1604, sack was (18)_____ official recognition of (19)_____ when James I (20)_____ an ordinance limiting its consumption at court. By this time sack was popularly known as sherris-sack (sherris being a corruption of Jerez), which eventually became the modern word sherry.

A. where
B. when
C. as
D. which