Câu 18: Magento 2 Certified Associate Developer

You are adding a child node to the product.info block using the XML: How will this block be rendered?

1. A. Child block nodes are automatically rendered as HTML
2. B. By calling $block->getChildHtml('mynewblock') in the parent block's template — đáp án hiện tại
3. C. The layout is invalid since block elements cannot be nested
4. D. Automatically if the block class Custom implements the _toHtml method