Which statement adds the priority = account CSS class to the universal Containers row ?

Given HTML below:
<div>
<div id =”row-uc”> Universal Container</div>
<div id =”row-aa”>Applied Shipping</div>
<div id =”row-bt”> Burlington Textiles </div>
</div>
Which statement adds the priority = account CSS class to the universal Containers row ?
A. Document .querySelector(‘#row-uc’).classes.push(‘priority-account’);
B. Document .queryElementById(‘row-uc’).addclass(‘priority-account’);
C. Document .querySelector(‘#row-uc’).classList.add(‘priority-account’);
D. Document .querySelectorALL(‘#row-uc’).classList.add(‘priority-account’);

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