should与shouldn't的用法 — 英语选择题
题目
Tom和Mike是同桌。数学考试时，Mike想偷看Tom的答案。Tom应该怎么做？请选择正确的建议。
A. Tom should let Mike copy the answers.
B. Tom shouldn't tell the teacher about it.
C. Tom should tell Mike it's not right to cheat.
D. Tom should give his paper to Mike.