第 16 至 20 題為題組        In 1985, a riot at a Brussels soccer match occurred, in which many fans lost their lives. The __16__ began 45 minutes before the start of the European Cup final. The British team was scheduled to __17__ the Italian team in the game. Noisy British fans, after setting off some rockets and fireworks to cheer for __18__ team, broke through a thin wire fence and started to attack the Italian fans. The Italians, in panic, __19__ the main exit in their section when a six-foot concrete wall collapsed.
       By the end of the night, 38 soccer fans had died and 437 were injured. The majority of the deathsresulted from people __20__ trampled underfoot or crushed against barriers in the stadium. As a result ofthis 1985 soccer incident, security measures have since been tightened at major sports competitions toprevent similar events from happening.
【題組】16.
(A) circumstance
(B) sequence
(C) tragedy
(D) phenomenon