"serving directly to situation" vs "speaking directly to situation

[Volkan]

Business English Lesson, Advanced Level

ESL/EFL Test #568 "Niche Marketing", question 10

The more that your business specializes, the more its market will see the value of your products or services because you are ......... directly to their unique situation.

(a) planning
(b) pointing
(c) serving
(d) speaking

Business English Lesson, Advanced Level

ESL/EFL Test #568 "Niche Marketing", answer 10

The more that your business specializes, the more its market will see the value of your products or services because you are speaking directly to their unique situation.

Correct answer: (d) speaking

Your answer was: incorrect
The more that your business specializes, the more its market will see the value of your products or services because you are serving directly to their unique situation.
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Why not serving?

[Mister Micawber]

.
'Serving...to' is wrong English here.
.
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Native English teacher at Mister Micawber's