سوال ۲ کنکور ارشد مهندسی مکانیک ۱۴۰۵

The blank needs an adjective that fits the fixed collocation with the following preposition "for": to be responsible for something (مسئولِ/مقصرِ) means to be its cause or to be to blame for it. Since the person who built the building is being held accountable for the current problems, "responsible for" is the only choice that is both meaningful and grammatically idiomatic. The other options fail the collocation: "leading for," "different for," and "surprising for" are not idiomatic in this context ("different" pairs with "from," and "leading/surprising" do not take "for" to mean at fault).