Try it out before you start
I THINK its A. but i might be wrong. the definition seems the closest to the sentence
Answer:
B
Explanation:
for·mi·da·ble
/ˈfôrmədəb(ə)l,fərˈmidəb(ə)l/
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adjective
inspiring fear or respect through being impressively large, powerful, intense, or capable.
"a formidable opponent"