Since the reference is to an inanimate object, the window, third person neuter singular pronoun "it" must be used. Hence, Option D is correct. The rest of the options
do not adhere to this rule, hence incorrect.
If the pronoun is receiving the action, it is called a direct object. Object pronouns are always used when the antecedent is a direct object. Here, the action of listening is directed towards the news. The object pronoun for third person neuter singular is "it". Hence, Option C is correct. The rest of the options do not adhere to this rule, hence incorrect.
If the pronoun is receiving the action, it is called a direct object. Object pronouns are always used when the antecedent is a direct object. Here, the action of cleaning is received by the window. The object pronoun for third person singular neuter is "it". Hence, Option C is correct. The rest of the options do not adhere to this rule, hence incorrect.