[example]

Choose a pineapple with golden yellow and intact leaves.

Pick an orange pineapple with complete leaves.

Attached:

Use of a/an:

A is used before vowels that start with consonants or are pronounced as consonants;

An is used before words that start with vowels (a, e, i, o, u) or silent h letters.

this is

Ananas (English [? na？ n？ S] beauty [? 'na？ n？ S]) with the original sound/? /beginning, so use an;

Pineapple (English ([? Dad? n？ Pl] beauty [? Dad? np？ L]) starts with the consonant /p/, so use a.