Considering the available options, the phrase I find most moving is "my heart feels like bursting."
Given the available option, the contextual meaning of most moving is the statement or phrase that evokes emotions.
Therefore, when individuals say, "my heart feels like bursting, " it means they feel like crying out loud because their hearts couldn't take or cope with the situation any longer.
Hence, in this case, it is concluded that the correct answer is option D. "my heart feels like bursting."
Learn more about contextual meaning here: https://brainly.com/question/1330487