Nuclear energy is __________ dangerous to be used widely.

A ) So

B ) Much

C ) Too ✅

D ) That


Explanation: Here too is working as a preposition. Nuclear energy is too dangerous to be used widely means جوہری توانائی کا وسیع پیمانے پر استعمال کے لیے بہت خطرناک ہے Here too means as well.