According to the language experts, children should begin talking in their mother tongue rather than a foreign language which can _____affect their comprehension abilities leading to serious language based ____later in their lives

The sentence means that foreign languages affect the students comprehending abilities and become trouble some later in their lives .A,B ,C can be eliminated as they state that foreign language helps the students in future .E can also be eliminated because it states that foreign language has a positive effect on children.D clearly states that foreign language is having a negative impact on children and will lead to complications in future.