You have created a NextActivity class that relies on a string containing some data that pass inside the intent Which code snippet allows you to launch your activity?
 A
    Intent(this, NextActivity::class.java).also { intent ->
        startActivity(intent)
    }
 B
    Intent(this, NextActivity::class.java).apply {
        put(EXTRA_NEXT, "some data")
    }.also { intent ->
        activityStart(intent)
    }
 C
    Intent(this, NextActivity::class.java).apply {
        putExtra(EXTRA_NEXT, "some data")
    }.also { intent ->
        startActivity(intent)
    }
 D
    Intent(this, NextActivity::class.java).apply {
        put(EXTRA_NEXT, "some data")
    }.also { intent ->
        activityStart(intent)
    }