ఖాళీని పూరించండి: 'The scientist's _____ research has led to several breakthroughs in cancer treatment.'
Amediocre
Bamateur
Cpioneering
Dsporadic
Answer & Solution
Correct answer: C. pioneering
అనేక విప్లవాత్మక విజయాలు (several breakthroughs) అనేవి ఉన్నత-స్థాయి, ప్రాథమిక/మౌలిక పరిశోధనను సూచిస్తాయి.
'Pioneering' (నూతన మార్గాన్ని చూపించే/అగ్రగామి అయిన) సరిగ్గా సరిపోతుంది.
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