Which One of the Following Statements Is True Regarding Mage_Core_Block_Text_List

Which one of the following statements is true regarding Mage_Core_Block_Text_List?

A) Mage_Core_Block_Text_List declares its own template for rendering, but the rendered template can be overridden via layout XML.
B) Child blocks of Mage_Core_Block_Text_List are always rendered alphabetically by name.
C) Mage_Core_Block_Text_List will always render all children automatically when it is rendered.
D) Mage_Core_Block_Text_List directly extends Mage_Core_Block_Template
E) In order to render, the parent block of Mage_Core_Block_Text_List must always be an output block.