Since you haven't bolded any words (on the mobile app), I'm assuming that you mean "The capital city". This is a minor sentence.
The second one. To protects them from hearing the deadly song of the sirens
Its either A or B. Because he didn't completely address the subject and he didn't take a position.
Answer:
Children tend to have this behavior when they are learning about the things around them. This is common with children that are younger than seven months. At this age, they may not be able to explore objects with their hands yet, but are rather only able to grab onto items. Since a baby's mouth has more nerve endings than any other part of their bodies, they tend to see what things feel like with their mouths. Babies usually learn through textures.
Hope this helps :)