From statement A, “All boys are good”, and C, “Good people are educated”, we can deduce that all boys are educated because boys are good and all good people are educated. This leads directly to D, “Boys are educated”.
Thus, A $\rightarrow$ C $\rightarrow$ D forms a logical chain of reasoning.
Other options either bring unrelated facts (like Lata or Ram) or add extra premises not required to conclude directly.