“下面标识红色部分是我的疑问” 这句话翻译成英文

下面标识红色部分是我的疑问

My questions are underlined in red.

下面标识红色部分是我的疑问：
Next parts marked red are my questions.
下面画红线部分是我的疑问：
My questions are underlined in red.

My questions are underlined in red.
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支持查老师

The part marked red is my question.

The following marking red part is my question

The following marking red part is my question