【题目】Tu Yoyo devoted herself ________to her research and it made her famous in her field.
A.strongly
B.partly
C.entirely
D.freely

【答案】C
【解析】句意：她把自己完全（entirely）投身于她的研究中去了,这使得她在她所在的领域很出名。A. strongly 强有力地；B.partly部分地；C. entirely完全地；D. freely自由地。根据句意可知答案C正确。