Many buildings in the earthquake and hundreds of people were rendered homeless as a result.

mushroomed 意為「如雨後春筍般迅速湧現、快速增長」，為官方標準答案。可理解的語境為災後重建期間建築物快速興建湧現；惟與後句「無家可歸」的因果關係較不直觀，屬有爭議之題目，作答時請以官方答案為準。