Xiaobo (8;3 Years) Is Multilingual-He Speaks English and Mandarin

Xiaobo (8;3 years) is multilingual-he speaks English and Mandarin. Xiaobo has childhood dysarthria associated with cerebral palsy. His speech is highly unintelligible. A helpful goal for improving Xiaobo's speech intelligibility could be:

A) improving his accuracy of complex sequences in multisyllabic words.
B) increasing his contrast between voiced and voiceless affricates.
C) decreasing his percentage occurrence of palatal fronting.
D) encouraging respiratory support and breath control for speech.