--instructions--

Listen to the audio and answer the question below.

--questions--

--text--

What does the word must highlight in this context?

--answers--

It suggests that multi-factor authentication is optional.

--feedback--

Must expresses obligation, meaning it is not optional.

It indicates that multi-factor authentication was used in the past.

--feedback--

Must is used for present or future necessity, not past actions.

It shows that using multi-factor authentication is a requirement for everyone.

It shows that only QA needs multi-factor authentication.

--feedback--

Jessica says everyone, which means all users, not just QA.

--video-solution--

3

--explanation--

Jessica states that everyone must use multi-factor authentication, meaning it is a rule that applies to all users, including QA.

She used must to express a strong obligation. It does not indicate an optional action or something that happened in the past.

--scene--

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  "setup": {
    "background": "company2-center.png",
    "characters": [
      {
        "character": "Jessica",
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          "z": 1.2
        },
        "opacity": 0
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    ],
    "audio": {
      "filename": "B1_14-1.mp3",
      "startTime": 1,
      "startTimestamp": 28.66,
      "finishTimestamp": 32.84
    }
  },
  "commands": [
    {
      "character": "Jessica",
      "opacity": 1,
      "startTime": 0
    },
    {
      "character": "Jessica",
      "startTime": 1,
      "finishTime": 5.18,
      "dialogue": {
        "text": "Yes, everyone must use multi-factor authentication, including QA.",
        "align": "center"
      }
    },
    {
      "character": "Jessica",
      "opacity": 0,
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