but this was not ___to be a problem.1 demonstrated 2 thought 3 shown 4 found 选择哪一个,及为什么

but this was not ___to be a problem.1 demonstrated 2 thought 3 shown 4 found 选择哪一个,及为什么
but this was not ___to be a problem.1 demonstrated 2 thought 3 shown 4 found 选择哪一个,及为什么

but this was not ___to be a problem.1 demonstrated 2 thought 3 shown 4 found 选择哪一个,及为什么
D
文中第13行“...,but this did not prove to be a problem(...但这也不算什么问题）”中的“prove”直译为“被见到,发现时”.
因此,D found为正确选项；
而A demonstrated （被证明/说明),
B thought (被认为）
C shown(被展示,显示为)
均不能确切表达文中含义,所以为错误选项.

2 thought

be thought to be
被认为是....