What does the author imply by saying “… though the use of text-message reminders…, had no effect other than to annoy patients”(Lines 2-4,Para.3)
A.
Text-messaging is not suitable to remind patients in the Netherlands.
B.
Text-messaging is very effective in treating patients in the Netherlands.
C.
The use of text-message reminders in the Netherlands does not annoy patients.
D.
The use of text-message reminders in the Netherlands was not satisfactory.