His parents thought only in this way bee successful，studying abroad.
A. could Tom
B. Tom could
C. is Tom able to
D. Tom is able to
网友回答
(答案→)A. could Tom
B. Tom could
C. is Tom able to
D. Tom is able to
解析：A
解析 句意为：汤姆的父母原以为只有用这种方式汤姆才能成功，才能到国外学习。本题考查倒装。在宾语从句中“only＋介词短语/副词/状语/状语从句”置于句首时，后面句子要使用部分倒装，故A项正确。