Was it Bii,Who played basketball very well ,that helped the blind man cross the road?从哪里看得出来这是个强调句?

Was it Bii,Who played basketball very well ,that helped the blind man cross the road?从哪里看得出来这是个强调句?
Was it Bii,Who played basketball very well ,that helped the blind man cross the road?从哪里看得出来这是个强调句?

Was it Bii,Who played basketball very well ,that helped the blind man cross the road?从哪里看得出来这是个强调句?
it was that 嘛

who吧