The consultant advised the executiveteam(A) to consider outsourcing non-coreactivities(B) such as payroll processing, customer supporting, and toautomate(C) inventorytracking(D).

Frasa “outsourcing non-core activities such as payroll processing, customer supporting” semuanya menggunakan bentuk gerund, sehingga frasa selanjutnya juga harus paralel. Kata “to automate” (infinitive) tidak sejajar dan harus diubah menjadi gerund “automating”.Jawaban: C