Place the following anterior forearm muscles in order, from lateral to medial:
1. Palmaris longus
2. Flexor carpi ulnaris
3. Flexor carpi radialis
4. Pronator teres
A. 4,2,1,3
B. 1,3,4,2
C.2.1,3,4
D.3,4,1,2
E.4.3.1.2