The correct option is A They are giving trouble
Option A pertains to the object of the sentence, i.e., electrical appliances. Taking in the issue of the sentence, the speaker is getting them checked nonetheless. Thus, pertaining to this issue, Option A is the most suitable answer. Option B creates a wrong double negative in the sentence, making it grammatically incorrect. Options C and D have no relation to the object of the sentence, and thus, inconsequential to the rest of the sentence. Thus, Options B,C and D are incorrect.