According to the passage, which of the following NOT true

According to the passage, which answer is incorrect?

A. According to custom, flowers are not usually sent to guests.

B. Flowers are available all the time.

C. Flowers are a sign of external welcome.

D Flowers are very expensive.

Information in paragraph 5: “Flowers are very expensive there; hotel delivery is uncertain; arrival times are delayed, changed or canceled – so flowers are not customarily sent as a welcoming touch”

The flowers are very expensive there; The hotel’s flower delivery service is also uncertain; The arrival time is delayed, changed or canceled – so flowers are not usually delivered as welcome.